Home / 25,831.50-35,650.09-15,224.55

Finding the Fourth Proportional to 25,831.50, 35,650.09 and 15,224.55

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Solution

The fourth proportional to 25,831.50, 35,650.09 and 15,224.55 is: 21,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.50 : 35,650.09 = 15,224.55 : x
  2. Step 2: Convert to fraction form
    25,831.50/35,650.09 = 15,224.55/x
  3. Step 3: Cross multiply
    25,831.50x = 35,650.09 × 15,224.55
  4. Step 4: Simplify right side
    25,831.50x = 542,756,577.71
  5. Step 5: Solve for x
    x = 542,756,577.71/25,831.50
  6. Step 6: Final answer
    x = 21,011.42

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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.