Home / 22,959.48-31,684.04-12,887.93

Finding the Fourth Proportional to 22,959.48, 31,684.04 and 12,887.93

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Solution

The fourth proportional to 22,959.48, 31,684.04 and 12,887.93 is: 17,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.48 : 31,684.04 = 12,887.93 : x
  2. Step 2: Convert to fraction form
    22,959.48/31,684.04 = 12,887.93/x
  3. Step 3: Cross multiply
    22,959.48x = 31,684.04 × 12,887.93
  4. Step 4: Simplify right side
    22,959.48x = 408,341,531.22
  5. Step 5: Solve for x
    x = 408,341,531.22/22,959.48
  6. Step 6: Final answer
    x = 17,785.31

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1.5x scale

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.