Home / 26,543.88-36,625.50-15,929.64

Finding the Fourth Proportional to 26,543.88, 36,625.50 and 15,929.64

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Solution

The fourth proportional to 26,543.88, 36,625.50 and 15,929.64 is: 21,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.88 : 36,625.50 = 15,929.64 : x
  2. Step 2: Convert to fraction form
    26,543.88/36,625.50 = 15,929.64/x
  3. Step 3: Cross multiply
    26,543.88x = 36,625.50 × 15,929.64
  4. Step 4: Simplify right side
    26,543.88x = 583,431,029.82
  5. Step 5: Solve for x
    x = 583,431,029.82/26,543.88
  6. Step 6: Final answer
    x = 21,979.87

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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.