Home / 19,471.77-26,881.38-15,601.29

Finding the Fourth Proportional to 19,471.77, 26,881.38 and 15,601.29

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Solution

The fourth proportional to 19,471.77, 26,881.38 and 15,601.29 is: 21,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.77 : 26,881.38 = 15,601.29 : x
  2. Step 2: Convert to fraction form
    19,471.77/26,881.38 = 15,601.29/x
  3. Step 3: Cross multiply
    19,471.77x = 26,881.38 × 15,601.29
  4. Step 4: Simplify right side
    19,471.77x = 419,384,204.98
  5. Step 5: Solve for x
    x = 419,384,204.98/19,471.77
  6. Step 6: Final answer
    x = 21,538.06

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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.