Home / 16,972.71-23,425.15-9,421.46

Finding the Fourth Proportional to 16,972.71, 23,425.15 and 9,421.46

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Solution

The fourth proportional to 16,972.71, 23,425.15 and 9,421.46 is: 13,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.71 : 23,425.15 = 9,421.46 : x
  2. Step 2: Convert to fraction form
    16,972.71/23,425.15 = 9,421.46/x
  3. Step 3: Cross multiply
    16,972.71x = 23,425.15 × 9,421.46
  4. Step 4: Simplify right side
    16,972.71x = 220,699,210.32
  5. Step 5: Solve for x
    x = 220,699,210.32/16,972.71
  6. Step 6: Final answer
    x = 13,003.18

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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.