Home / 26,140.56-36,074.16-15,535.44

Finding the Fourth Proportional to 26,140.56, 36,074.16 and 15,535.44

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Solution

The fourth proportional to 26,140.56, 36,074.16 and 15,535.44 is: 21,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.56 : 36,074.16 = 15,535.44 : x
  2. Step 2: Convert to fraction form
    26,140.56/36,074.16 = 15,535.44/x
  3. Step 3: Cross multiply
    26,140.56x = 36,074.16 × 15,535.44
  4. Step 4: Simplify right side
    26,140.56x = 560,427,948.23
  5. Step 5: Solve for x
    x = 560,427,948.23/26,140.56
  6. Step 6: Final answer
    x = 21,439.02

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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.