Home / 23,184.13-31,959.22-18,139.59

Finding the Fourth Proportional to 23,184.13, 31,959.22 and 18,139.59

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Solution

The fourth proportional to 23,184.13, 31,959.22 and 18,139.59 is: 25,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.13 : 31,959.22 = 18,139.59 : x
  2. Step 2: Convert to fraction form
    23,184.13/31,959.22 = 18,139.59/x
  3. Step 3: Cross multiply
    23,184.13x = 31,959.22 × 18,139.59
  4. Step 4: Simplify right side
    23,184.13x = 579,726,995.28
  5. Step 5: Solve for x
    x = 579,726,995.28/23,184.13
  6. Step 6: Final answer
    x = 25,005.34

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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.