Home / 15,965.34-22,020.47-10,578.03

Finding the Fourth Proportional to 15,965.34, 22,020.47 and 10,578.03

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Solution

The fourth proportional to 15,965.34, 22,020.47 and 10,578.03 is: 14,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.34 : 22,020.47 = 10,578.03 : x
  2. Step 2: Convert to fraction form
    15,965.34/22,020.47 = 10,578.03/x
  3. Step 3: Cross multiply
    15,965.34x = 22,020.47 × 10,578.03
  4. Step 4: Simplify right side
    15,965.34x = 232,933,179.05
  5. Step 5: Solve for x
    x = 232,933,179.05/15,965.34
  6. Step 6: Final answer
    x = 14,589.93

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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.