Home / 22,565.86-33,870.66-10,887.28

Finding the Fourth Proportional to 22,565.86, 33,870.66 and 10,887.28

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Solution

The fourth proportional to 22,565.86, 33,870.66 and 10,887.28 is: 16,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.86 : 33,870.66 = 10,887.28 : x
  2. Step 2: Convert to fraction form
    22,565.86/33,870.66 = 10,887.28/x
  3. Step 3: Cross multiply
    22,565.86x = 33,870.66 × 10,887.28
  4. Step 4: Simplify right side
    22,565.86x = 368,759,359.20
  5. Step 5: Solve for x
    x = 368,759,359.20/22,565.86
  6. Step 6: Final answer
    x = 16,341.47

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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.