Home / 15,713.24-21,675.06-10,124.24

Finding the Fourth Proportional to 15,713.24, 21,675.06 and 10,124.24

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Solution

The fourth proportional to 15,713.24, 21,675.06 and 10,124.24 is: 13,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713.24 : 21,675.06 = 10,124.24 : x
  2. Step 2: Convert to fraction form
    15,713.24/21,675.06 = 10,124.24/x
  3. Step 3: Cross multiply
    15,713.24x = 21,675.06 × 10,124.24
  4. Step 4: Simplify right side
    15,713.24x = 219,443,401.08
  5. Step 5: Solve for x
    x = 219,443,401.08/15,713.24
  6. Step 6: Final answer
    x = 13,965.51

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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.