Home / 25,118.48-34,644.28-18,401.68

Finding the Fourth Proportional to 25,118.48, 34,644.28 and 18,401.68

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Solution

The fourth proportional to 25,118.48, 34,644.28 and 18,401.68 is: 25,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.48 : 34,644.28 = 18,401.68 : x
  2. Step 2: Convert to fraction form
    25,118.48/34,644.28 = 18,401.68/x
  3. Step 3: Cross multiply
    25,118.48x = 34,644.28 × 18,401.68
  4. Step 4: Simplify right side
    25,118.48x = 637,512,954.39
  5. Step 5: Solve for x
    x = 637,512,954.39/25,118.48
  6. Step 6: Final answer
    x = 25,380.24

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Double scale
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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.