Home / 19,065.46-26,306.58-11,987.77

Finding the Fourth Proportional to 19,065.46, 26,306.58 and 11,987.77

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Solution

The fourth proportional to 19,065.46, 26,306.58 and 11,987.77 is: 16,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.46 : 26,306.58 = 11,987.77 : x
  2. Step 2: Convert to fraction form
    19,065.46/26,306.58 = 11,987.77/x
  3. Step 3: Cross multiply
    19,065.46x = 26,306.58 × 11,987.77
  4. Step 4: Simplify right side
    19,065.46x = 315,357,230.53
  5. Step 5: Solve for x
    x = 315,357,230.53/19,065.46
  6. Step 6: Final answer
    x = 16,540.76

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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.