Home / 38,890.12-58,334.50-12,594.91

Finding the Fourth Proportional to 38,890.12, 58,334.50 and 12,594.91

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Solution

The fourth proportional to 38,890.12, 58,334.50 and 12,594.91 is: 18,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.12 : 58,334.50 = 12,594.91 : x
  2. Step 2: Convert to fraction form
    38,890.12/58,334.50 = 12,594.91/x
  3. Step 3: Cross multiply
    38,890.12x = 58,334.50 × 12,594.91
  4. Step 4: Simplify right side
    38,890.12x = 734,717,777.40
  5. Step 5: Solve for x
    x = 734,717,777.40/38,890.12
  6. Step 6: Final answer
    x = 18,892.14

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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.