Home / 38,752.76-58,130.58-12,454.04

Finding the Fourth Proportional to 38,752.76, 58,130.58 and 12,454.04

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Solution

The fourth proportional to 38,752.76, 58,130.58 and 12,454.04 is: 18,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,752.76 : 58,130.58 = 12,454.04 : x
  2. Step 2: Convert to fraction form
    38,752.76/58,130.58 = 12,454.04/x
  3. Step 3: Cross multiply
    38,752.76x = 58,130.58 × 12,454.04
  4. Step 4: Simplify right side
    38,752.76x = 723,960,568.54
  5. Step 5: Solve for x
    x = 723,960,568.54/38,752.76
  6. Step 6: Final answer
    x = 18,681.52

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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.