Home / 26,743.51-40,120.17-8,972.38

Finding the Fourth Proportional to 26,743.51, 40,120.17 and 8,972.38

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Solution

The fourth proportional to 26,743.51, 40,120.17 and 8,972.38 is: 13,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.51 : 40,120.17 = 8,972.38 : x
  2. Step 2: Convert to fraction form
    26,743.51/40,120.17 = 8,972.38/x
  3. Step 3: Cross multiply
    26,743.51x = 40,120.17 × 8,972.38
  4. Step 4: Simplify right side
    26,743.51x = 359,973,410.90
  5. Step 5: Solve for x
    x = 359,973,410.90/26,743.51
  6. Step 6: Final answer
    x = 13,460.22

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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.