Home / 26,501.40-39,752.10-17,170.20

Finding the Fourth Proportional to 26,501.40, 39,752.10 and 17,170.20

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Solution

The fourth proportional to 26,501.40, 39,752.10 and 17,170.20 is: 25,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.40 : 39,752.10 = 17,170.20 : x
  2. Step 2: Convert to fraction form
    26,501.40/39,752.10 = 17,170.20/x
  3. Step 3: Cross multiply
    26,501.40x = 39,752.10 × 17,170.20
  4. Step 4: Simplify right side
    26,501.40x = 682,551,507.42
  5. Step 5: Solve for x
    x = 682,551,507.42/26,501.40
  6. Step 6: Final answer
    x = 25,755.30

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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.