Home / 16,230.14-22,398.54-9,943.72

Finding the Fourth Proportional to 16,230.14, 22,398.54 and 9,943.72

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Solution

The fourth proportional to 16,230.14, 22,398.54 and 9,943.72 is: 13,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.14 : 22,398.54 = 9,943.72 : x
  2. Step 2: Convert to fraction form
    16,230.14/22,398.54 = 9,943.72/x
  3. Step 3: Cross multiply
    16,230.14x = 22,398.54 × 9,943.72
  4. Step 4: Simplify right side
    16,230.14x = 222,724,810.17
  5. Step 5: Solve for x
    x = 222,724,810.17/16,230.14
  6. Step 6: Final answer
    x = 13,722.91

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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.