Home / 23,002.52-31,730.40-14,489.96

Finding the Fourth Proportional to 23,002.52, 31,730.40 and 14,489.96

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Solution

The fourth proportional to 23,002.52, 31,730.40 and 14,489.96 is: 19,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002.52 : 31,730.40 = 14,489.96 : x
  2. Step 2: Convert to fraction form
    23,002.52/31,730.40 = 14,489.96/x
  3. Step 3: Cross multiply
    23,002.52x = 31,730.40 × 14,489.96
  4. Step 4: Simplify right side
    23,002.52x = 459,772,068.13
  5. Step 5: Solve for x
    x = 459,772,068.13/23,002.52
  6. Step 6: Final answer
    x = 19,987.90

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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.