Home / 19,272.72-26,596.56-11,315.04

Finding the Fourth Proportional to 19,272.72, 26,596.56 and 11,315.04

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Solution

The fourth proportional to 19,272.72, 26,596.56 and 11,315.04 is: 15,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.72 : 26,596.56 = 11,315.04 : x
  2. Step 2: Convert to fraction form
    19,272.72/26,596.56 = 11,315.04/x
  3. Step 3: Cross multiply
    19,272.72x = 26,596.56 × 11,315.04
  4. Step 4: Simplify right side
    19,272.72x = 300,941,140.26
  5. Step 5: Solve for x
    x = 300,941,140.26/19,272.72
  6. Step 6: Final answer
    x = 15,614.88

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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.