Home / 25,108.68-37,639.08-8,460.15

Finding the Fourth Proportional to 25,108.68, 37,639.08 and 8,460.15

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Solution

The fourth proportional to 25,108.68, 37,639.08 and 8,460.15 is: 12,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.68 : 37,639.08 = 8,460.15 : x
  2. Step 2: Convert to fraction form
    25,108.68/37,639.08 = 8,460.15/x
  3. Step 3: Cross multiply
    25,108.68x = 37,639.08 × 8,460.15
  4. Step 4: Simplify right side
    25,108.68x = 318,432,121.52
  5. Step 5: Solve for x
    x = 318,432,121.52/25,108.68
  6. Step 6: Final answer
    x = 12,682.15

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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.