Home / 38,656.10-57,987.70-12,002.24

Finding the Fourth Proportional to 38,656.10, 57,987.70 and 12,002.24

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Solution

The fourth proportional to 38,656.10, 57,987.70 and 12,002.24 is: 18,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.10 : 57,987.70 = 12,002.24 : x
  2. Step 2: Convert to fraction form
    38,656.10/57,987.70 = 12,002.24/x
  3. Step 3: Cross multiply
    38,656.10x = 57,987.70 × 12,002.24
  4. Step 4: Simplify right side
    38,656.10x = 695,982,407.41
  5. Step 5: Solve for x
    x = 695,982,407.41/38,656.10
  6. Step 6: Final answer
    x = 18,004.46

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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.