Home / 25,218.33-34,824.92-15,803.30

Finding the Fourth Proportional to 25,218.33, 34,824.92 and 15,803.30

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Solution

The fourth proportional to 25,218.33, 34,824.92 and 15,803.30 is: 21,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.33 : 34,824.92 = 15,803.30 : x
  2. Step 2: Convert to fraction form
    25,218.33/34,824.92 = 15,803.30/x
  3. Step 3: Cross multiply
    25,218.33x = 34,824.92 × 15,803.30
  4. Step 4: Simplify right side
    25,218.33x = 550,348,405.09
  5. Step 5: Solve for x
    x = 550,348,405.09/25,218.33
  6. Step 6: Final answer
    x = 21,823.35

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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.