Home / 17,526.24-26,287.20-7,138.08

Finding the Fourth Proportional to 17,526.24, 26,287.20 and 7,138.08

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Solution

The fourth proportional to 17,526.24, 26,287.20 and 7,138.08 is: 10,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,526.24 : 26,287.20 = 7,138.08 : x
  2. Step 2: Convert to fraction form
    17,526.24/26,287.20 = 7,138.08/x
  3. Step 3: Cross multiply
    17,526.24x = 26,287.20 × 7,138.08
  4. Step 4: Simplify right side
    17,526.24x = 187,640,136.58
  5. Step 5: Solve for x
    x = 187,640,136.58/17,526.24
  6. Step 6: Final answer
    x = 10,706.24

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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.