Home / 25,739.91-35,527.95-15,136.61

Finding the Fourth Proportional to 25,739.91, 35,527.95 and 15,136.61

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Solution

The fourth proportional to 25,739.91, 35,527.95 and 15,136.61 is: 20,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.91 : 35,527.95 = 15,136.61 : x
  2. Step 2: Convert to fraction form
    25,739.91/35,527.95 = 15,136.61/x
  3. Step 3: Cross multiply
    25,739.91x = 35,527.95 × 15,136.61
  4. Step 4: Simplify right side
    25,739.91x = 537,772,545.61
  5. Step 5: Solve for x
    x = 537,772,545.61/25,739.91
  6. Step 6: Final answer
    x = 20,892.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.