Home / 42,652.68-63,988.38-13,072.74

Finding the Fourth Proportional to 42,652.68, 63,988.38 and 13,072.74

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Solution

The fourth proportional to 42,652.68, 63,988.38 and 13,072.74 is: 19,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,652.68 : 63,988.38 = 13,072.74 : x
  2. Step 2: Convert to fraction form
    42,652.68/63,988.38 = 13,072.74/x
  3. Step 3: Cross multiply
    42,652.68x = 63,988.38 × 13,072.74
  4. Step 4: Simplify right side
    42,652.68x = 836,503,454.76
  5. Step 5: Solve for x
    x = 836,503,454.76/42,652.68
  6. Step 6: Final answer
    x = 19,611.98

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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.