Home / 20,702.28-31,025.46-14,845.98

Finding the Fourth Proportional to 20,702.28, 31,025.46 and 14,845.98

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Solution

The fourth proportional to 20,702.28, 31,025.46 and 14,845.98 is: 22,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702.28 : 31,025.46 = 14,845.98 : x
  2. Step 2: Convert to fraction form
    20,702.28/31,025.46 = 14,845.98/x
  3. Step 3: Cross multiply
    20,702.28x = 31,025.46 × 14,845.98
  4. Step 4: Simplify right side
    20,702.28x = 460,603,358.65
  5. Step 5: Solve for x
    x = 460,603,358.65/20,702.28
  6. Step 6: Final answer
    x = 22,248.92

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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.