Home / 38,882.76-58,333.40-12,587.50

Finding the Fourth Proportional to 38,882.76, 58,333.40 and 12,587.50

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Solution

The fourth proportional to 38,882.76, 58,333.40 and 12,587.50 is: 18,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882.76 : 58,333.40 = 12,587.50 : x
  2. Step 2: Convert to fraction form
    38,882.76/58,333.40 = 12,587.50/x
  3. Step 3: Cross multiply
    38,882.76x = 58,333.40 × 12,587.50
  4. Step 4: Simplify right side
    38,882.76x = 734,271,672.50
  5. Step 5: Solve for x
    x = 734,271,672.50/38,882.76
  6. Step 6: Final answer
    x = 18,884.25

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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.