Home / 42,253.18-63,375.99-12,677.62

Finding the Fourth Proportional to 42,253.18, 63,375.99 and 12,677.62

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Solution

The fourth proportional to 42,253.18, 63,375.99 and 12,677.62 is: 19,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,253.18 : 63,375.99 = 12,677.62 : x
  2. Step 2: Convert to fraction form
    42,253.18/63,375.99 = 12,677.62/x
  3. Step 3: Cross multiply
    42,253.18x = 63,375.99 × 12,677.62
  4. Step 4: Simplify right side
    42,253.18x = 803,456,718.34
  5. Step 5: Solve for x
    x = 803,456,718.34/42,253.18
  6. Step 6: Final answer
    x = 19,015.30

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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.