Home / 25,590.48-38,381.52-18,172.48

Finding the Fourth Proportional to 25,590.48, 38,381.52 and 18,172.48

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Solution

The fourth proportional to 25,590.48, 38,381.52 and 18,172.48 is: 27,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.48 : 38,381.52 = 18,172.48 : x
  2. Step 2: Convert to fraction form
    25,590.48/38,381.52 = 18,172.48/x
  3. Step 3: Cross multiply
    25,590.48x = 38,381.52 × 18,172.48
  4. Step 4: Simplify right side
    25,590.48x = 697,487,404.57
  5. Step 5: Solve for x
    x = 697,487,404.57/25,590.48
  6. Step 6: Final answer
    x = 27,255.74

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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.