Home / 19,192.60-26,440.41-18,306.82

Finding the Fourth Proportional to 19,192.60, 26,440.41 and 18,306.82

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Solution

The fourth proportional to 19,192.60, 26,440.41 and 18,306.82 is: 25,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.60 : 26,440.41 = 18,306.82 : x
  2. Step 2: Convert to fraction form
    19,192.60/26,440.41 = 18,306.82/x
  3. Step 3: Cross multiply
    19,192.60x = 26,440.41 × 18,306.82
  4. Step 4: Simplify right side
    19,192.60x = 484,039,826.60
  5. Step 5: Solve for x
    x = 484,039,826.60/19,192.60
  6. Step 6: Final answer
    x = 25,220.13

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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.