Home / 18,652.55-25,740.09-10,154.52

Finding the Fourth Proportional to 18,652.55, 25,740.09 and 10,154.52

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Solution

The fourth proportional to 18,652.55, 25,740.09 and 10,154.52 is: 14,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.55 : 25,740.09 = 10,154.52 : x
  2. Step 2: Convert to fraction form
    18,652.55/25,740.09 = 10,154.52/x
  3. Step 3: Cross multiply
    18,652.55x = 25,740.09 × 10,154.52
  4. Step 4: Simplify right side
    18,652.55x = 261,378,258.71
  5. Step 5: Solve for x
    x = 261,378,258.71/18,652.55
  6. Step 6: Final answer
    x = 14,013.01

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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.