Home / 18,470.24-25,471.63-14,705.83

Finding the Fourth Proportional to 18,470.24, 25,471.63 and 14,705.83

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Solution

The fourth proportional to 18,470.24, 25,471.63 and 14,705.83 is: 20,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.24 : 25,471.63 = 14,705.83 : x
  2. Step 2: Convert to fraction form
    18,470.24/25,471.63 = 14,705.83/x
  3. Step 3: Cross multiply
    18,470.24x = 25,471.63 × 14,705.83
  4. Step 4: Simplify right side
    18,470.24x = 374,581,387.07
  5. Step 5: Solve for x
    x = 374,581,387.07/18,470.24
  6. Step 6: Final answer
    x = 20,280.27

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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.