Home / 15,222.96-22,831.80-5,359.92

Finding the Fourth Proportional to 15,222.96, 22,831.80 and 5,359.92

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Solution

The fourth proportional to 15,222.96, 22,831.80 and 5,359.92 is: 8,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.96 : 22,831.80 = 5,359.92 : x
  2. Step 2: Convert to fraction form
    15,222.96/22,831.80 = 5,359.92/x
  3. Step 3: Cross multiply
    15,222.96x = 22,831.80 × 5,359.92
  4. Step 4: Simplify right side
    15,222.96x = 122,376,621.46
  5. Step 5: Solve for x
    x = 122,376,621.46/15,222.96
  6. Step 6: Final answer
    x = 8,038.95

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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.