Home / 14,822.25-20,458.13-9,787.47

Finding the Fourth Proportional to 14,822.25, 20,458.13 and 9,787.47

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Solution

The fourth proportional to 14,822.25, 20,458.13 and 9,787.47 is: 13,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.25 : 20,458.13 = 9,787.47 : x
  2. Step 2: Convert to fraction form
    14,822.25/20,458.13 = 9,787.47/x
  3. Step 3: Cross multiply
    14,822.25x = 20,458.13 × 9,787.47
  4. Step 4: Simplify right side
    14,822.25x = 200,233,284.69
  5. Step 5: Solve for x
    x = 200,233,284.69/14,822.25
  6. Step 6: Final answer
    x = 13,508.97

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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.