Home / 25,486.12-35,153.70-15,550.12

Finding the Fourth Proportional to 25,486.12, 35,153.70 and 15,550.12

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Solution

The fourth proportional to 25,486.12, 35,153.70 and 15,550.12 is: 21,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.12 : 35,153.70 = 15,550.12 : x
  2. Step 2: Convert to fraction form
    25,486.12/35,153.70 = 15,550.12/x
  3. Step 3: Cross multiply
    25,486.12x = 35,153.70 × 15,550.12
  4. Step 4: Simplify right side
    25,486.12x = 546,644,253.44
  5. Step 5: Solve for x
    x = 546,644,253.44/25,486.12
  6. Step 6: Final answer
    x = 21,448.70

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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.