Home / 26,540.15-36,621.23-15,207.47

Finding the Fourth Proportional to 26,540.15, 36,621.23 and 15,207.47

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Solution

The fourth proportional to 26,540.15, 36,621.23 and 15,207.47 is: 20,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.15 : 36,621.23 = 15,207.47 : x
  2. Step 2: Convert to fraction form
    26,540.15/36,621.23 = 15,207.47/x
  3. Step 3: Cross multiply
    26,540.15x = 36,621.23 × 15,207.47
  4. Step 4: Simplify right side
    26,540.15x = 556,916,165.04
  5. Step 5: Solve for x
    x = 556,916,165.04/26,540.15
  6. Step 6: Final answer
    x = 20,983.91

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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.