Home / 15,703.88-23,560.07-5,315.63

Finding the Fourth Proportional to 15,703.88, 23,560.07 and 5,315.63

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Solution

The fourth proportional to 15,703.88, 23,560.07 and 5,315.63 is: 7,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.88 : 23,560.07 = 5,315.63 : x
  2. Step 2: Convert to fraction form
    15,703.88/23,560.07 = 5,315.63/x
  3. Step 3: Cross multiply
    15,703.88x = 23,560.07 × 5,315.63
  4. Step 4: Simplify right side
    15,703.88x = 125,236,470.52
  5. Step 5: Solve for x
    x = 125,236,470.52/15,703.88
  6. Step 6: Final answer
    x = 7,974.88

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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.