Home / 19,119.62-26,385.41-11,162.18

Finding the Fourth Proportional to 19,119.62, 26,385.41 and 11,162.18

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Solution

The fourth proportional to 19,119.62, 26,385.41 and 11,162.18 is: 15,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.62 : 26,385.41 = 11,162.18 : x
  2. Step 2: Convert to fraction form
    19,119.62/26,385.41 = 11,162.18/x
  3. Step 3: Cross multiply
    19,119.62x = 26,385.41 × 11,162.18
  4. Step 4: Simplify right side
    19,119.62x = 294,518,695.79
  5. Step 5: Solve for x
    x = 294,518,695.79/19,119.62
  6. Step 6: Final answer
    x = 15,404.00

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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.