Home / 19,211.94-26,510.58-14,178.87

Finding the Fourth Proportional to 19,211.94, 26,510.58 and 14,178.87

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Solution

The fourth proportional to 19,211.94, 26,510.58 and 14,178.87 is: 19,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.94 : 26,510.58 = 14,178.87 : x
  2. Step 2: Convert to fraction form
    19,211.94/26,510.58 = 14,178.87/x
  3. Step 3: Cross multiply
    19,211.94x = 26,510.58 × 14,178.87
  4. Step 4: Simplify right side
    19,211.94x = 375,890,067.44
  5. Step 5: Solve for x
    x = 375,890,067.44/19,211.94
  6. Step 6: Final answer
    x = 19,565.44

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Half scale
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Double scale
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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.