Home / 22,947.36-31,686.03-18,699.06

Finding the Fourth Proportional to 22,947.36, 31,686.03 and 18,699.06

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Solution

The fourth proportional to 22,947.36, 31,686.03 and 18,699.06 is: 25,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.36 : 31,686.03 = 18,699.06 : x
  2. Step 2: Convert to fraction form
    22,947.36/31,686.03 = 18,699.06/x
  3. Step 3: Cross multiply
    22,947.36x = 31,686.03 × 18,699.06
  4. Step 4: Simplify right side
    22,947.36x = 592,498,976.13
  5. Step 5: Solve for x
    x = 592,498,976.13/22,947.36
  6. Step 6: Final answer
    x = 25,819.92

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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.