Home / 17,024.30-25,555.65-13,145.90

Finding the Fourth Proportional to 17,024.30, 25,555.65 and 13,145.90

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Solution

The fourth proportional to 17,024.30, 25,555.65 and 13,145.90 is: 19,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,024.30 : 25,555.65 = 13,145.90 : x
  2. Step 2: Convert to fraction form
    17,024.30/25,555.65 = 13,145.90/x
  3. Step 3: Cross multiply
    17,024.30x = 25,555.65 × 13,145.90
  4. Step 4: Simplify right side
    17,024.30x = 335,952,019.34
  5. Step 5: Solve for x
    x = 335,952,019.34/17,024.30
  6. Step 6: Final answer
    x = 19,733.68

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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.