Home / 19,462.72-26,858.76-11,079.28

Finding the Fourth Proportional to 19,462.72, 26,858.76 and 11,079.28

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Solution

The fourth proportional to 19,462.72, 26,858.76 and 11,079.28 is: 15,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.72 : 26,858.76 = 11,079.28 : x
  2. Step 2: Convert to fraction form
    19,462.72/26,858.76 = 11,079.28/x
  3. Step 3: Cross multiply
    19,462.72x = 26,858.76 × 11,079.28
  4. Step 4: Simplify right side
    19,462.72x = 297,575,722.49
  5. Step 5: Solve for x
    x = 297,575,722.49/19,462.72
  6. Step 6: Final answer
    x = 15,289.52

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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.