Home / 42,234.18-63,307.14-14,131.12

Finding the Fourth Proportional to 42,234.18, 63,307.14 and 14,131.12

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Solution

The fourth proportional to 42,234.18, 63,307.14 and 14,131.12 is: 21,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,234.18 : 63,307.14 = 14,131.12 : x
  2. Step 2: Convert to fraction form
    42,234.18/63,307.14 = 14,131.12/x
  3. Step 3: Cross multiply
    42,234.18x = 63,307.14 × 14,131.12
  4. Step 4: Simplify right side
    42,234.18x = 894,600,792.20
  5. Step 5: Solve for x
    x = 894,600,792.20/42,234.18
  6. Step 6: Final answer
    x = 21,181.91

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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.