Home / 14,319.71-21,474.29-4,957.32

Finding the Fourth Proportional to 14,319.71, 21,474.29 and 4,957.32

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Solution

The fourth proportional to 14,319.71, 21,474.29 and 4,957.32 is: 7,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.71 : 21,474.29 = 4,957.32 : x
  2. Step 2: Convert to fraction form
    14,319.71/21,474.29 = 4,957.32/x
  3. Step 3: Cross multiply
    14,319.71x = 21,474.29 × 4,957.32
  4. Step 4: Simplify right side
    14,319.71x = 106,454,902.52
  5. Step 5: Solve for x
    x = 106,454,902.52/14,319.71
  6. Step 6: Final answer
    x = 7,434.15

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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.