Home / 23,127.84-34,705.60-9,980.21

Finding the Fourth Proportional to 23,127.84, 34,705.60 and 9,980.21

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Solution

The fourth proportional to 23,127.84, 34,705.60 and 9,980.21 is: 14,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.84 : 34,705.60 = 9,980.21 : x
  2. Step 2: Convert to fraction form
    23,127.84/34,705.60 = 9,980.21/x
  3. Step 3: Cross multiply
    23,127.84x = 34,705.60 × 9,980.21
  4. Step 4: Simplify right side
    23,127.84x = 346,369,176.18
  5. Step 5: Solve for x
    x = 346,369,176.18/23,127.84
  6. Step 6: Final answer
    x = 14,976.29

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Half scale
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Double scale
Find fourth proportional to 23,128.84, 34,707.10 and 9,981.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.