Home / 19,235.52-26,545.32-11,278.80

Finding the Fourth Proportional to 19,235.52, 26,545.32 and 11,278.80

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Solution

The fourth proportional to 19,235.52, 26,545.32 and 11,278.80 is: 15,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.52 : 26,545.32 = 11,278.80 : x
  2. Step 2: Convert to fraction form
    19,235.52/26,545.32 = 11,278.80/x
  3. Step 3: Cross multiply
    19,235.52x = 26,545.32 × 11,278.80
  4. Step 4: Simplify right side
    19,235.52x = 299,399,355.22
  5. Step 5: Solve for x
    x = 299,399,355.22/19,235.52
  6. Step 6: Final answer
    x = 15,564.92

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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.