Home / 15,220.96-22,831.39-5,359.12

Finding the Fourth Proportional to 15,220.96, 22,831.39 and 5,359.12

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Solution

The fourth proportional to 15,220.96, 22,831.39 and 5,359.12 is: 8,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.96 : 22,831.39 = 5,359.12 : x
  2. Step 2: Convert to fraction form
    15,220.96/22,831.39 = 5,359.12/x
  3. Step 3: Cross multiply
    15,220.96x = 22,831.39 × 5,359.12
  4. Step 4: Simplify right side
    15,220.96x = 122,356,158.78
  5. Step 5: Solve for x
    x = 122,356,158.78/15,220.96
  6. Step 6: Final answer
    x = 8,038.66

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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.