Home / 15,604.38-23,403.57-6,721.23

Finding the Fourth Proportional to 15,604.38, 23,403.57 and 6,721.23

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Solution

The fourth proportional to 15,604.38, 23,403.57 and 6,721.23 is: 10,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.38 : 23,403.57 = 6,721.23 : x
  2. Step 2: Convert to fraction form
    15,604.38/23,403.57 = 6,721.23/x
  3. Step 3: Cross multiply
    15,604.38x = 23,403.57 × 6,721.23
  4. Step 4: Simplify right side
    15,604.38x = 157,300,801.69
  5. Step 5: Solve for x
    x = 157,300,801.69/15,604.38
  6. Step 6: Final answer
    x = 10,080.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.