Home / 14,340.75-19,793.40-7,969.53

Finding the Fourth Proportional to 14,340.75, 19,793.40 and 7,969.53

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Solution

The fourth proportional to 14,340.75, 19,793.40 and 7,969.53 is: 10,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.75 : 19,793.40 = 7,969.53 : x
  2. Step 2: Convert to fraction form
    14,340.75/19,793.40 = 7,969.53/x
  3. Step 3: Cross multiply
    14,340.75x = 19,793.40 × 7,969.53
  4. Step 4: Simplify right side
    14,340.75x = 157,744,095.10
  5. Step 5: Solve for x
    x = 157,744,095.10/14,340.75
  6. Step 6: Final answer
    x = 10,999.71

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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.