Home / 16,977.74-23,428.17-9,423.71

Finding the Fourth Proportional to 16,977.74, 23,428.17 and 9,423.71

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Solution

The fourth proportional to 16,977.74, 23,428.17 and 9,423.71 is: 13,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.74 : 23,428.17 = 9,423.71 : x
  2. Step 2: Convert to fraction form
    16,977.74/23,428.17 = 9,423.71/x
  3. Step 3: Cross multiply
    16,977.74x = 23,428.17 × 9,423.71
  4. Step 4: Simplify right side
    16,977.74x = 220,780,221.34
  5. Step 5: Solve for x
    x = 220,780,221.34/16,977.74
  6. Step 6: Final answer
    x = 13,004.10

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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.