Home / 19,093.91-28,626.47-12,521.75

Finding the Fourth Proportional to 19,093.91, 28,626.47 and 12,521.75

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Solution

The fourth proportional to 19,093.91, 28,626.47 and 12,521.75 is: 18,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.91 : 28,626.47 = 12,521.75 : x
  2. Step 2: Convert to fraction form
    19,093.91/28,626.47 = 12,521.75/x
  3. Step 3: Cross multiply
    19,093.91x = 28,626.47 × 12,521.75
  4. Step 4: Simplify right side
    19,093.91x = 358,453,438.11
  5. Step 5: Solve for x
    x = 358,453,438.11/19,093.91
  6. Step 6: Final answer
    x = 18,773.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.