Home / 13,702.16-20,545.27-5,372.42

Finding the Fourth Proportional to 13,702.16, 20,545.27 and 5,372.42

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Solution

The fourth proportional to 13,702.16, 20,545.27 and 5,372.42 is: 8,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.16 : 20,545.27 = 5,372.42 : x
  2. Step 2: Convert to fraction form
    13,702.16/20,545.27 = 5,372.42/x
  3. Step 3: Cross multiply
    13,702.16x = 20,545.27 × 5,372.42
  4. Step 4: Simplify right side
    13,702.16x = 110,377,703.30
  5. Step 5: Solve for x
    x = 110,377,703.30/13,702.16
  6. Step 6: Final answer
    x = 8,055.50

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1.5x scale

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.