Home / 22,585.68-31,193.82-15,403.32

Finding the Fourth Proportional to 22,585.68, 31,193.82 and 15,403.32

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Solution

The fourth proportional to 22,585.68, 31,193.82 and 15,403.32 is: 21,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.68 : 31,193.82 = 15,403.32 : x
  2. Step 2: Convert to fraction form
    22,585.68/31,193.82 = 15,403.32/x
  3. Step 3: Cross multiply
    22,585.68x = 31,193.82 × 15,403.32
  4. Step 4: Simplify right side
    22,585.68x = 480,488,391.48
  5. Step 5: Solve for x
    x = 480,488,391.48/22,585.68
  6. Step 6: Final answer
    x = 21,274.03

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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.