Home / 15,594.20-21,519.92-9,223.08

Finding the Fourth Proportional to 15,594.20, 21,519.92 and 9,223.08

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Solution

The fourth proportional to 15,594.20, 21,519.92 and 9,223.08 is: 12,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594.20 : 21,519.92 = 9,223.08 : x
  2. Step 2: Convert to fraction form
    15,594.20/21,519.92 = 9,223.08/x
  3. Step 3: Cross multiply
    15,594.20x = 21,519.92 × 9,223.08
  4. Step 4: Simplify right side
    15,594.20x = 198,479,943.75
  5. Step 5: Solve for x
    x = 198,479,943.75/15,594.20
  6. Step 6: Final answer
    x = 12,727.81

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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.