Home / 23,184.54-31,994.67-12,574.21

Finding the Fourth Proportional to 23,184.54, 31,994.67 and 12,574.21

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Solution

The fourth proportional to 23,184.54, 31,994.67 and 12,574.21 is: 17,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.54 : 31,994.67 = 12,574.21 : x
  2. Step 2: Convert to fraction form
    23,184.54/31,994.67 = 12,574.21/x
  3. Step 3: Cross multiply
    23,184.54x = 31,994.67 × 12,574.21
  4. Step 4: Simplify right side
    23,184.54x = 402,307,699.46
  5. Step 5: Solve for x
    x = 402,307,699.46/23,184.54
  6. Step 6: Final answer
    x = 17,352.41

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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.