Home / 18,262.86-25,204.68-10,715.55

Finding the Fourth Proportional to 18,262.86, 25,204.68 and 10,715.55

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Solution

The fourth proportional to 18,262.86, 25,204.68 and 10,715.55 is: 14,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.86 : 25,204.68 = 10,715.55 : x
  2. Step 2: Convert to fraction form
    18,262.86/25,204.68 = 10,715.55/x
  3. Step 3: Cross multiply
    18,262.86x = 25,204.68 × 10,715.55
  4. Step 4: Simplify right side
    18,262.86x = 270,082,008.77
  5. Step 5: Solve for x
    x = 270,082,008.77/18,262.86
  6. Step 6: Final answer
    x = 14,788.59

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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.