Home / 26,754.12-36,920.61-15,423.56

Finding the Fourth Proportional to 26,754.12, 36,920.61 and 15,423.56

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Solution

The fourth proportional to 26,754.12, 36,920.61 and 15,423.56 is: 21,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.12 : 36,920.61 = 15,423.56 : x
  2. Step 2: Convert to fraction form
    26,754.12/36,920.61 = 15,423.56/x
  3. Step 3: Cross multiply
    26,754.12x = 36,920.61 × 15,423.56
  4. Step 4: Simplify right side
    26,754.12x = 569,447,405.10
  5. Step 5: Solve for x
    x = 569,447,405.10/26,754.12
  6. Step 6: Final answer
    x = 21,284.47

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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.