Home / 25,749.98-38,614.78-17,432.40

Finding the Fourth Proportional to 25,749.98, 38,614.78 and 17,432.40

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Solution

The fourth proportional to 25,749.98, 38,614.78 and 17,432.40 is: 26,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.98 : 38,614.78 = 17,432.40 : x
  2. Step 2: Convert to fraction form
    25,749.98/38,614.78 = 17,432.40/x
  3. Step 3: Cross multiply
    25,749.98x = 38,614.78 × 17,432.40
  4. Step 4: Simplify right side
    25,749.98x = 673,148,290.87
  5. Step 5: Solve for x
    x = 673,148,290.87/25,749.98
  6. Step 6: Final answer
    x = 26,141.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.