Home / 18,474.49-25,496.40-15,110.17

Finding the Fourth Proportional to 18,474.49, 25,496.40 and 15,110.17

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Solution

The fourth proportional to 18,474.49, 25,496.40 and 15,110.17 is: 20,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.49 : 25,496.40 = 15,110.17 : x
  2. Step 2: Convert to fraction form
    18,474.49/25,496.40 = 15,110.17/x
  3. Step 3: Cross multiply
    18,474.49x = 25,496.40 × 15,110.17
  4. Step 4: Simplify right side
    18,474.49x = 385,254,938.39
  5. Step 5: Solve for x
    x = 385,254,938.39/18,474.49
  6. Step 6: Final answer
    x = 20,853.35

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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.