Home / 14,720.76-20,314.49-10,960.74

Finding the Fourth Proportional to 14,720.76, 20,314.49 and 10,960.74

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Solution

The fourth proportional to 14,720.76, 20,314.49 and 10,960.74 is: 15,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.76 : 20,314.49 = 10,960.74 : x
  2. Step 2: Convert to fraction form
    14,720.76/20,314.49 = 10,960.74/x
  3. Step 3: Cross multiply
    14,720.76x = 20,314.49 × 10,960.74
  4. Step 4: Simplify right side
    14,720.76x = 222,661,788.32
  5. Step 5: Solve for x
    x = 222,661,788.32/14,720.76
  6. Step 6: Final answer
    x = 15,125.70

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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.