Home / 25,108.90-37,655.10-8,464.45

Finding the Fourth Proportional to 25,108.90, 37,655.10 and 8,464.45

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Solution

The fourth proportional to 25,108.90, 37,655.10 and 8,464.45 is: 12,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.90 : 37,655.10 = 8,464.45 : x
  2. Step 2: Convert to fraction form
    25,108.90/37,655.10 = 8,464.45/x
  3. Step 3: Cross multiply
    25,108.90x = 37,655.10 × 8,464.45
  4. Step 4: Simplify right side
    25,108.90x = 318,729,711.20
  5. Step 5: Solve for x
    x = 318,729,711.20/25,108.90
  6. Step 6: Final answer
    x = 12,693.89

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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.