Home / 26,147.16-36,082.98-15,398.28

Finding the Fourth Proportional to 26,147.16, 36,082.98 and 15,398.28

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Solution

The fourth proportional to 26,147.16, 36,082.98 and 15,398.28 is: 21,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.16 : 36,082.98 = 15,398.28 : x
  2. Step 2: Convert to fraction form
    26,147.16/36,082.98 = 15,398.28/x
  3. Step 3: Cross multiply
    26,147.16x = 36,082.98 × 15,398.28
  4. Step 4: Simplify right side
    26,147.16x = 555,615,829.27
  5. Step 5: Solve for x
    x = 555,615,829.27/26,147.16
  6. Step 6: Final answer
    x = 21,249.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.