Home / 22,656.15-31,264.16-12,584.00

Finding the Fourth Proportional to 22,656.15, 31,264.16 and 12,584.00

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Solution

The fourth proportional to 22,656.15, 31,264.16 and 12,584.00 is: 17,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.15 : 31,264.16 = 12,584.00 : x
  2. Step 2: Convert to fraction form
    22,656.15/31,264.16 = 12,584.00/x
  3. Step 3: Cross multiply
    22,656.15x = 31,264.16 × 12,584.00
  4. Step 4: Simplify right side
    22,656.15x = 393,428,204.68
  5. Step 5: Solve for x
    x = 393,428,204.68/22,656.15
  6. Step 6: Final answer
    x = 17,365.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.