Home / 38,868.20-58,304.14-12,575

Finding the Fourth Proportional to 38,868.20, 58,304.14 and 12,575

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Solution

The fourth proportional to 38,868.20, 58,304.14 and 12,575 is: 18,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.20 : 58,304.14 = 12,575 : x
  2. Step 2: Convert to fraction form
    38,868.20/58,304.14 = 12,575/x
  3. Step 3: Cross multiply
    38,868.20x = 58,304.14 × 12,575
  4. Step 4: Simplify right side
    38,868.20x = 733,174,560.50
  5. Step 5: Solve for x
    x = 733,174,560.50/38,868.20
  6. Step 6: Final answer
    x = 18,863.10

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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.