Home / 18,527.24-25,568.19-10,143.74

Finding the Fourth Proportional to 18,527.24, 25,568.19 and 10,143.74

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Solution

The fourth proportional to 18,527.24, 25,568.19 and 10,143.74 is: 13,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.24 : 25,568.19 = 10,143.74 : x
  2. Step 2: Convert to fraction form
    18,527.24/25,568.19 = 10,143.74/x
  3. Step 3: Cross multiply
    18,527.24x = 25,568.19 × 10,143.74
  4. Step 4: Simplify right side
    18,527.24x = 259,357,071.63
  5. Step 5: Solve for x
    x = 259,357,071.63/18,527.24
  6. Step 6: Final answer
    x = 13,998.69

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Half scale
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Double scale
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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.