Home / 18,901.14-26,082.94-10,402.48

Finding the Fourth Proportional to 18,901.14, 26,082.94 and 10,402.48

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Solution

The fourth proportional to 18,901.14, 26,082.94 and 10,402.48 is: 14,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.14 : 26,082.94 = 10,402.48 : x
  2. Step 2: Convert to fraction form
    18,901.14/26,082.94 = 10,402.48/x
  3. Step 3: Cross multiply
    18,901.14x = 26,082.94 × 10,402.48
  4. Step 4: Simplify right side
    18,901.14x = 271,327,261.69
  5. Step 5: Solve for x
    x = 271,327,261.69/18,901.14
  6. Step 6: Final answer
    x = 14,355.07

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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.