Home / 25,505.07-35,214.51-15,949.09

Finding the Fourth Proportional to 25,505.07, 35,214.51 and 15,949.09

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Solution

The fourth proportional to 25,505.07, 35,214.51 and 15,949.09 is: 22,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.07 : 35,214.51 = 15,949.09 : x
  2. Step 2: Convert to fraction form
    25,505.07/35,214.51 = 15,949.09/x
  3. Step 3: Cross multiply
    25,505.07x = 35,214.51 × 15,949.09
  4. Step 4: Simplify right side
    25,505.07x = 561,639,389.30
  5. Step 5: Solve for x
    x = 561,639,389.30/25,505.07
  6. Step 6: Final answer
    x = 22,020.70

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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.