Home / 42,352.02-63,531.18-14,272.20

Finding the Fourth Proportional to 42,352.02, 63,531.18 and 14,272.20

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Solution

The fourth proportional to 42,352.02, 63,531.18 and 14,272.20 is: 21,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.02 : 63,531.18 = 14,272.20 : x
  2. Step 2: Convert to fraction form
    42,352.02/63,531.18 = 14,272.20/x
  3. Step 3: Cross multiply
    42,352.02x = 63,531.18 × 14,272.20
  4. Step 4: Simplify right side
    42,352.02x = 906,729,707.20
  5. Step 5: Solve for x
    x = 906,729,707.20/42,352.02
  6. Step 6: Final answer
    x = 21,409.36

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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.