Home / 45,543.38-68,317.12-13,951.14

Finding the Fourth Proportional to 45,543.38, 68,317.12 and 13,951.14

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Solution

The fourth proportional to 45,543.38, 68,317.12 and 13,951.14 is: 20,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.38 : 68,317.12 = 13,951.14 : x
  2. Step 2: Convert to fraction form
    45,543.38/68,317.12 = 13,951.14/x
  3. Step 3: Cross multiply
    45,543.38x = 68,317.12 × 13,951.14
  4. Step 4: Simplify right side
    45,543.38x = 953,101,466.77
  5. Step 5: Solve for x
    x = 953,101,466.77/45,543.38
  6. Step 6: Final answer
    x = 20,927.33

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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.