Home / 18,864.57-26,034.23-10,909.56

Finding the Fourth Proportional to 18,864.57, 26,034.23 and 10,909.56

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Solution

The fourth proportional to 18,864.57, 26,034.23 and 10,909.56 is: 15,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.57 : 26,034.23 = 10,909.56 : x
  2. Step 2: Convert to fraction form
    18,864.57/26,034.23 = 10,909.56/x
  3. Step 3: Cross multiply
    18,864.57x = 26,034.23 × 10,909.56
  4. Step 4: Simplify right side
    18,864.57x = 284,021,994.24
  5. Step 5: Solve for x
    x = 284,021,994.24/18,864.57
  6. Step 6: Final answer
    x = 15,055.84

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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.