Home / 14,645.33-20,210.57-7,930.96

Finding the Fourth Proportional to 14,645.33, 20,210.57 and 7,930.96

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Solution

The fourth proportional to 14,645.33, 20,210.57 and 7,930.96 is: 10,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.33 : 20,210.57 = 7,930.96 : x
  2. Step 2: Convert to fraction form
    14,645.33/20,210.57 = 7,930.96/x
  3. Step 3: Cross multiply
    14,645.33x = 20,210.57 × 7,930.96
  4. Step 4: Simplify right side
    14,645.33x = 160,289,275.49
  5. Step 5: Solve for x
    x = 160,289,275.49/14,645.33
  6. Step 6: Final answer
    x = 10,944.74

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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.