Home / 13,218.92-19,831.17-4,333.59

Finding the Fourth Proportional to 13,218.92, 19,831.17 and 4,333.59

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Solution

The fourth proportional to 13,218.92, 19,831.17 and 4,333.59 is: 6,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.92 : 19,831.17 = 4,333.59 : x
  2. Step 2: Convert to fraction form
    13,218.92/19,831.17 = 4,333.59/x
  3. Step 3: Cross multiply
    13,218.92x = 19,831.17 × 4,333.59
  4. Step 4: Simplify right side
    13,218.92x = 85,940,160.00
  5. Step 5: Solve for x
    x = 85,940,160.00/13,218.92
  6. Step 6: Final answer
    x = 6,501.30

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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.