Home / 26,649.25-36,777.15-15,322.42

Finding the Fourth Proportional to 26,649.25, 36,777.15 and 15,322.42

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Solution

The fourth proportional to 26,649.25, 36,777.15 and 15,322.42 is: 21,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.25 : 36,777.15 = 15,322.42 : x
  2. Step 2: Convert to fraction form
    26,649.25/36,777.15 = 15,322.42/x
  3. Step 3: Cross multiply
    26,649.25x = 36,777.15 × 15,322.42
  4. Step 4: Simplify right side
    26,649.25x = 563,514,938.70
  5. Step 5: Solve for x
    x = 563,514,938.70/26,649.25
  6. Step 6: Final answer
    x = 21,145.62

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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.