Home / 38,887.04-58,339.78-12,591.74

Finding the Fourth Proportional to 38,887.04, 58,339.78 and 12,591.74

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Solution

The fourth proportional to 38,887.04, 58,339.78 and 12,591.74 is: 18,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.04 : 58,339.78 = 12,591.74 : x
  2. Step 2: Convert to fraction form
    38,887.04/58,339.78 = 12,591.74/x
  3. Step 3: Cross multiply
    38,887.04x = 58,339.78 × 12,591.74
  4. Step 4: Simplify right side
    38,887.04x = 734,599,018.24
  5. Step 5: Solve for x
    x = 734,599,018.24/38,887.04
  6. Step 6: Final answer
    x = 18,890.59

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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.