Home / 42,203.20-63,265.20-15,925.60

Finding the Fourth Proportional to 42,203.20, 63,265.20 and 15,925.60

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Solution

The fourth proportional to 42,203.20, 63,265.20 and 15,925.60 is: 23,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203.20 : 63,265.20 = 15,925.60 : x
  2. Step 2: Convert to fraction form
    42,203.20/63,265.20 = 15,925.60/x
  3. Step 3: Cross multiply
    42,203.20x = 63,265.20 × 15,925.60
  4. Step 4: Simplify right side
    42,203.20x = 1,007,536,269.12
  5. Step 5: Solve for x
    x = 1,007,536,269.12/42,203.20
  6. Step 6: Final answer
    x = 23,873.46

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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.