Home / 19,082.16-26,345.56-15,553.76

Finding the Fourth Proportional to 19,082.16, 26,345.56 and 15,553.76

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Solution

The fourth proportional to 19,082.16, 26,345.56 and 15,553.76 is: 21,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.16 : 26,345.56 = 15,553.76 : x
  2. Step 2: Convert to fraction form
    19,082.16/26,345.56 = 15,553.76/x
  3. Step 3: Cross multiply
    19,082.16x = 26,345.56 × 15,553.76
  4. Step 4: Simplify right side
    19,082.16x = 409,772,517.31
  5. Step 5: Solve for x
    x = 409,772,517.31/19,082.16
  6. Step 6: Final answer
    x = 21,474.12

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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.