Home / 18,429.82-25,432.19-10,470.94

Finding the Fourth Proportional to 18,429.82, 25,432.19 and 10,470.94

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Solution

The fourth proportional to 18,429.82, 25,432.19 and 10,470.94 is: 14,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.82 : 25,432.19 = 10,470.94 : x
  2. Step 2: Convert to fraction form
    18,429.82/25,432.19 = 10,470.94/x
  3. Step 3: Cross multiply
    18,429.82x = 25,432.19 × 10,470.94
  4. Step 4: Simplify right side
    18,429.82x = 266,298,858.89
  5. Step 5: Solve for x
    x = 266,298,858.89/18,429.82
  6. Step 6: Final answer
    x = 14,449.35

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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.