Home / 15,192.93-20,965.53-11,212.59

Finding the Fourth Proportional to 15,192.93, 20,965.53 and 11,212.59

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Solution

The fourth proportional to 15,192.93, 20,965.53 and 11,212.59 is: 15,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.93 : 20,965.53 = 11,212.59 : x
  2. Step 2: Convert to fraction form
    15,192.93/20,965.53 = 11,212.59/x
  3. Step 3: Cross multiply
    15,192.93x = 20,965.53 × 11,212.59
  4. Step 4: Simplify right side
    15,192.93x = 235,077,892.02
  5. Step 5: Solve for x
    x = 235,077,892.02/15,192.93
  6. Step 6: Final answer
    x = 15,472.85

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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.