Home / 18,812.08-25,960.56-10,854.16

Finding the Fourth Proportional to 18,812.08, 25,960.56 and 10,854.16

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Solution

The fourth proportional to 18,812.08, 25,960.56 and 10,854.16 is: 14,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.08 : 25,960.56 = 10,854.16 : x
  2. Step 2: Convert to fraction form
    18,812.08/25,960.56 = 10,854.16/x
  3. Step 3: Cross multiply
    18,812.08x = 25,960.56 × 10,854.16
  4. Step 4: Simplify right side
    18,812.08x = 281,780,071.93
  5. Step 5: Solve for x
    x = 281,780,071.93/18,812.08
  6. Step 6: Final answer
    x = 14,978.68

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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.