Home / 18,350.72-25,327.68-10,897.28

Finding the Fourth Proportional to 18,350.72, 25,327.68 and 10,897.28

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Solution

The fourth proportional to 18,350.72, 25,327.68 and 10,897.28 is: 15,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.72 : 25,327.68 = 10,897.28 : x
  2. Step 2: Convert to fraction form
    18,350.72/25,327.68 = 10,897.28/x
  3. Step 3: Cross multiply
    18,350.72x = 25,327.68 × 10,897.28
  4. Step 4: Simplify right side
    18,350.72x = 276,002,820.71
  5. Step 5: Solve for x
    x = 276,002,820.71/18,350.72
  6. Step 6: Final answer
    x = 15,040.44

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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.