Home / 14,862.40-22,287.52-6,429.38

Finding the Fourth Proportional to 14,862.40, 22,287.52 and 6,429.38

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Solution

The fourth proportional to 14,862.40, 22,287.52 and 6,429.38 is: 9,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.40 : 22,287.52 = 6,429.38 : x
  2. Step 2: Convert to fraction form
    14,862.40/22,287.52 = 6,429.38/x
  3. Step 3: Cross multiply
    14,862.40x = 22,287.52 × 6,429.38
  4. Step 4: Simplify right side
    14,862.40x = 143,294,935.34
  5. Step 5: Solve for x
    x = 143,294,935.34/14,862.40
  6. Step 6: Final answer
    x = 9,641.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.