Home / 19,401.19-26,776.55-11,851.88

Finding the Fourth Proportional to 19,401.19, 26,776.55 and 11,851.88

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Solution

The fourth proportional to 19,401.19, 26,776.55 and 11,851.88 is: 16,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.19 : 26,776.55 = 11,851.88 : x
  2. Step 2: Convert to fraction form
    19,401.19/26,776.55 = 11,851.88/x
  3. Step 3: Cross multiply
    19,401.19x = 26,776.55 × 11,851.88
  4. Step 4: Simplify right side
    19,401.19x = 317,352,353.16
  5. Step 5: Solve for x
    x = 317,352,353.16/19,401.19
  6. Step 6: Final answer
    x = 16,357.37

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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.