Home / 17,722.16-26,612.40-15,549.20

Finding the Fourth Proportional to 17,722.16, 26,612.40 and 15,549.20

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Solution

The fourth proportional to 17,722.16, 26,612.40 and 15,549.20 is: 23,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.16 : 26,612.40 = 15,549.20 : x
  2. Step 2: Convert to fraction form
    17,722.16/26,612.40 = 15,549.20/x
  3. Step 3: Cross multiply
    17,722.16x = 26,612.40 × 15,549.20
  4. Step 4: Simplify right side
    17,722.16x = 413,801,530.08
  5. Step 5: Solve for x
    x = 413,801,530.08/17,722.16
  6. Step 6: Final answer
    x = 23,349.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.