Home / 25,102.90-37,646.10-8,458.45

Finding the Fourth Proportional to 25,102.90, 37,646.10 and 8,458.45

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Solution

The fourth proportional to 25,102.90, 37,646.10 and 8,458.45 is: 12,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.90 : 37,646.10 = 8,458.45 : x
  2. Step 2: Convert to fraction form
    25,102.90/37,646.10 = 8,458.45/x
  3. Step 3: Cross multiply
    25,102.90x = 37,646.10 × 8,458.45
  4. Step 4: Simplify right side
    25,102.90x = 318,427,654.55
  5. Step 5: Solve for x
    x = 318,427,654.55/25,102.90
  6. Step 6: Final answer
    x = 12,684.90

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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.