Home / 22,820.52-31,474.98-19,639.11

Finding the Fourth Proportional to 22,820.52, 31,474.98 and 19,639.11

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Solution

The fourth proportional to 22,820.52, 31,474.98 and 19,639.11 is: 27,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.52 : 31,474.98 = 19,639.11 : x
  2. Step 2: Convert to fraction form
    22,820.52/31,474.98 = 19,639.11/x
  3. Step 3: Cross multiply
    22,820.52x = 31,474.98 × 19,639.11
  4. Step 4: Simplify right side
    22,820.52x = 618,140,594.47
  5. Step 5: Solve for x
    x = 618,140,594.47/22,820.52
  6. Step 6: Final answer
    x = 27,087.05

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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.