Home / 19,332.75-26,679.26-11,271.20

Finding the Fourth Proportional to 19,332.75, 26,679.26 and 11,271.20

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Solution

The fourth proportional to 19,332.75, 26,679.26 and 11,271.20 is: 15,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.75 : 26,679.26 = 11,271.20 : x
  2. Step 2: Convert to fraction form
    19,332.75/26,679.26 = 11,271.20/x
  3. Step 3: Cross multiply
    19,332.75x = 26,679.26 × 11,271.20
  4. Step 4: Simplify right side
    19,332.75x = 300,707,085.56
  5. Step 5: Solve for x
    x = 300,707,085.56/19,332.75
  6. Step 6: Final answer
    x = 15,554.28

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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.