Home / 16,752.12-23,116.28-9,678.39

Finding the Fourth Proportional to 16,752.12, 23,116.28 and 9,678.39

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Solution

The fourth proportional to 16,752.12, 23,116.28 and 9,678.39 is: 13,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.12 : 23,116.28 = 9,678.39 : x
  2. Step 2: Convert to fraction form
    16,752.12/23,116.28 = 9,678.39/x
  3. Step 3: Cross multiply
    16,752.12x = 23,116.28 × 9,678.39
  4. Step 4: Simplify right side
    16,752.12x = 223,728,373.19
  5. Step 5: Solve for x
    x = 223,728,373.19/16,752.12
  6. Step 6: Final answer
    x = 13,355.23

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.