Home / 18,723.04-25,848.17-12,763.46

Finding the Fourth Proportional to 18,723.04, 25,848.17 and 12,763.46

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Solution

The fourth proportional to 18,723.04, 25,848.17 and 12,763.46 is: 17,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.04 : 25,848.17 = 12,763.46 : x
  2. Step 2: Convert to fraction form
    18,723.04/25,848.17 = 12,763.46/x
  3. Step 3: Cross multiply
    18,723.04x = 25,848.17 × 12,763.46
  4. Step 4: Simplify right side
    18,723.04x = 329,912,083.87
  5. Step 5: Solve for x
    x = 329,912,083.87/18,723.04
  6. Step 6: Final answer
    x = 17,620.65

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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.