Home / 18,543.14-25,601.16-14,286.18

Finding the Fourth Proportional to 18,543.14, 25,601.16 and 14,286.18

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Solution

The fourth proportional to 18,543.14, 25,601.16 and 14,286.18 is: 19,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.14 : 25,601.16 = 14,286.18 : x
  2. Step 2: Convert to fraction form
    18,543.14/25,601.16 = 14,286.18/x
  3. Step 3: Cross multiply
    18,543.14x = 25,601.16 × 14,286.18
  4. Step 4: Simplify right side
    18,543.14x = 365,742,779.97
  5. Step 5: Solve for x
    x = 365,742,779.97/18,543.14
  6. Step 6: Final answer
    x = 19,723.89

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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.