Home / 18,371.74-25,353.53-11,202.07

Finding the Fourth Proportional to 18,371.74, 25,353.53 and 11,202.07

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Solution

The fourth proportional to 18,371.74, 25,353.53 and 11,202.07 is: 15,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.74 : 25,353.53 = 11,202.07 : x
  2. Step 2: Convert to fraction form
    18,371.74/25,353.53 = 11,202.07/x
  3. Step 3: Cross multiply
    18,371.74x = 25,353.53 × 11,202.07
  4. Step 4: Simplify right side
    18,371.74x = 284,012,017.81
  5. Step 5: Solve for x
    x = 284,012,017.81/18,371.74
  6. Step 6: Final answer
    x = 15,459.18

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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.