Home / 15,220.59-20,965.33-10,736.46

Finding the Fourth Proportional to 15,220.59, 20,965.33 and 10,736.46

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Solution

The fourth proportional to 15,220.59, 20,965.33 and 10,736.46 is: 14,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.59 : 20,965.33 = 10,736.46 : x
  2. Step 2: Convert to fraction form
    15,220.59/20,965.33 = 10,736.46/x
  3. Step 3: Cross multiply
    15,220.59x = 20,965.33 × 10,736.46
  4. Step 4: Simplify right side
    15,220.59x = 225,093,426.93
  5. Step 5: Solve for x
    x = 225,093,426.93/15,220.59
  6. Step 6: Final answer
    x = 14,788.75

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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.