Home / 15,221.36-22,831.25-5,360.70

Finding the Fourth Proportional to 15,221.36, 22,831.25 and 5,360.70

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Solution

The fourth proportional to 15,221.36, 22,831.25 and 5,360.70 is: 8,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.36 : 22,831.25 = 5,360.70 : x
  2. Step 2: Convert to fraction form
    15,221.36/22,831.25 = 5,360.70/x
  3. Step 3: Cross multiply
    15,221.36x = 22,831.25 × 5,360.70
  4. Step 4: Simplify right side
    15,221.36x = 122,391,455.07
  5. Step 5: Solve for x
    x = 122,391,455.07/15,221.36
  6. Step 6: Final answer
    x = 8,040.77

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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.