Home / 18,538.19-25,583.34-10,154.69

Finding the Fourth Proportional to 18,538.19, 25,583.34 and 10,154.69

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Solution

The fourth proportional to 18,538.19, 25,583.34 and 10,154.69 is: 14,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.19 : 25,583.34 = 10,154.69 : x
  2. Step 2: Convert to fraction form
    18,538.19/25,583.34 = 10,154.69/x
  3. Step 3: Cross multiply
    18,538.19x = 25,583.34 × 10,154.69
  4. Step 4: Simplify right side
    18,538.19x = 259,790,886.86
  5. Step 5: Solve for x
    x = 259,790,886.86/18,538.19
  6. Step 6: Final answer
    x = 14,013.82

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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.