Home / 18,405.48-25,399.98-10,446.96

Finding the Fourth Proportional to 18,405.48, 25,399.98 and 10,446.96

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Solution

The fourth proportional to 18,405.48, 25,399.98 and 10,446.96 is: 14,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.48 : 25,399.98 = 10,446.96 : x
  2. Step 2: Convert to fraction form
    18,405.48/25,399.98 = 10,446.96/x
  3. Step 3: Cross multiply
    18,405.48x = 25,399.98 × 10,446.96
  4. Step 4: Simplify right side
    18,405.48x = 265,352,575.06
  5. Step 5: Solve for x
    x = 265,352,575.06/18,405.48
  6. Step 6: Final answer
    x = 14,417.04

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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.