Home / 26,478.92-36,536.56-15,146.56

Finding the Fourth Proportional to 26,478.92, 36,536.56 and 15,146.56

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Solution

The fourth proportional to 26,478.92, 36,536.56 and 15,146.56 is: 20,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.92 : 36,536.56 = 15,146.56 : x
  2. Step 2: Convert to fraction form
    26,478.92/36,536.56 = 15,146.56/x
  3. Step 3: Cross multiply
    26,478.92x = 36,536.56 × 15,146.56
  4. Step 4: Simplify right side
    26,478.92x = 553,403,198.23
  5. Step 5: Solve for x
    x = 553,403,198.23/26,478.92
  6. Step 6: Final answer
    x = 20,899.76

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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.