Home / 16,425.18-22,666.76-9,351.60

Finding the Fourth Proportional to 16,425.18, 22,666.76 and 9,351.60

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Solution

The fourth proportional to 16,425.18, 22,666.76 and 9,351.60 is: 12,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.18 : 22,666.76 = 9,351.60 : x
  2. Step 2: Convert to fraction form
    16,425.18/22,666.76 = 9,351.60/x
  3. Step 3: Cross multiply
    16,425.18x = 22,666.76 × 9,351.60
  4. Step 4: Simplify right side
    16,425.18x = 211,970,472.82
  5. Step 5: Solve for x
    x = 211,970,472.82/16,425.18
  6. Step 6: Final answer
    x = 12,905.21

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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.