Home / 19,238.39-26,545.77-12,854.75

Finding the Fourth Proportional to 19,238.39, 26,545.77 and 12,854.75

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Solution

The fourth proportional to 19,238.39, 26,545.77 and 12,854.75 is: 17,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.39 : 26,545.77 = 12,854.75 : x
  2. Step 2: Convert to fraction form
    19,238.39/26,545.77 = 12,854.75/x
  3. Step 3: Cross multiply
    19,238.39x = 26,545.77 × 12,854.75
  4. Step 4: Simplify right side
    19,238.39x = 341,239,104.18
  5. Step 5: Solve for x
    x = 341,239,104.18/19,238.39
  6. Step 6: Final answer
    x = 17,737.41

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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.