Home / 26,651.14-36,774.63-15,321.11

Finding the Fourth Proportional to 26,651.14, 36,774.63 and 15,321.11

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Solution

The fourth proportional to 26,651.14, 36,774.63 and 15,321.11 is: 21,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.14 : 36,774.63 = 15,321.11 : x
  2. Step 2: Convert to fraction form
    26,651.14/36,774.63 = 15,321.11/x
  3. Step 3: Cross multiply
    26,651.14x = 36,774.63 × 15,321.11
  4. Step 4: Simplify right side
    26,651.14x = 563,428,151.44
  5. Step 5: Solve for x
    x = 563,428,151.44/26,651.14
  6. Step 6: Final answer
    x = 21,140.87

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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.