Home / 13,983.15-19,292.40-7,932.39

Finding the Fourth Proportional to 13,983.15, 19,292.40 and 7,932.39

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Solution

The fourth proportional to 13,983.15, 19,292.40 and 7,932.39 is: 10,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.15 : 19,292.40 = 7,932.39 : x
  2. Step 2: Convert to fraction form
    13,983.15/19,292.40 = 7,932.39/x
  3. Step 3: Cross multiply
    13,983.15x = 19,292.40 × 7,932.39
  4. Step 4: Simplify right side
    13,983.15x = 153,034,801.17
  5. Step 5: Solve for x
    x = 153,034,801.17/13,983.15
  6. Step 6: Final answer
    x = 10,944.23

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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.