Home / 26,715.07-36,897.05-18,202.42

Finding the Fourth Proportional to 26,715.07, 36,897.05 and 18,202.42

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Solution

The fourth proportional to 26,715.07, 36,897.05 and 18,202.42 is: 25,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.07 : 36,897.05 = 18,202.42 : x
  2. Step 2: Convert to fraction form
    26,715.07/36,897.05 = 18,202.42/x
  3. Step 3: Cross multiply
    26,715.07x = 36,897.05 × 18,202.42
  4. Step 4: Simplify right side
    26,715.07x = 671,615,600.86
  5. Step 5: Solve for x
    x = 671,615,600.86/26,715.07
  6. Step 6: Final answer
    x = 25,139.95

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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.