Home / 45,301.65-67,925.88-13,702.20

Finding the Fourth Proportional to 45,301.65, 67,925.88 and 13,702.20

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Solution

The fourth proportional to 45,301.65, 67,925.88 and 13,702.20 is: 20,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.65 : 67,925.88 = 13,702.20 : x
  2. Step 2: Convert to fraction form
    45,301.65/67,925.88 = 13,702.20/x
  3. Step 3: Cross multiply
    45,301.65x = 67,925.88 × 13,702.20
  4. Step 4: Simplify right side
    45,301.65x = 930,733,992.94
  5. Step 5: Solve for x
    x = 930,733,992.94/45,301.65
  6. Step 6: Final answer
    x = 20,545.26

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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.