Home / 17,929.71-24,740.60-9,970.40

Finding the Fourth Proportional to 17,929.71, 24,740.60 and 9,970.40

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Solution

The fourth proportional to 17,929.71, 24,740.60 and 9,970.40 is: 13,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.71 : 24,740.60 = 9,970.40 : x
  2. Step 2: Convert to fraction form
    17,929.71/24,740.60 = 9,970.40/x
  3. Step 3: Cross multiply
    17,929.71x = 24,740.60 × 9,970.40
  4. Step 4: Simplify right side
    17,929.71x = 246,673,690.24
  5. Step 5: Solve for x
    x = 246,673,690.24/17,929.71
  6. Step 6: Final answer
    x = 13,757.82

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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.