Home / 26,418.07-36,456.87-15,807.70

Finding the Fourth Proportional to 26,418.07, 36,456.87 and 15,807.70

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Solution

The fourth proportional to 26,418.07, 36,456.87 and 15,807.70 is: 21,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.07 : 36,456.87 = 15,807.70 : x
  2. Step 2: Convert to fraction form
    26,418.07/36,456.87 = 15,807.70/x
  3. Step 3: Cross multiply
    26,418.07x = 36,456.87 × 15,807.70
  4. Step 4: Simplify right side
    26,418.07x = 576,299,263.90
  5. Step 5: Solve for x
    x = 576,299,263.90/26,418.07
  6. Step 6: Final answer
    x = 21,814.59

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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.