Home / 16,433.28-22,681.38-9,631.74

Finding the Fourth Proportional to 16,433.28, 22,681.38 and 9,631.74

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Solution

The fourth proportional to 16,433.28, 22,681.38 and 9,631.74 is: 13,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,433.28 : 22,681.38 = 9,631.74 : x
  2. Step 2: Convert to fraction form
    16,433.28/22,681.38 = 9,631.74/x
  3. Step 3: Cross multiply
    16,433.28x = 22,681.38 × 9,631.74
  4. Step 4: Simplify right side
    16,433.28x = 218,461,155.00
  5. Step 5: Solve for x
    x = 218,461,155.00/16,433.28
  6. Step 6: Final answer
    x = 13,293.83

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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.