Home / 14,545.76-21,790.80-11,927.52

Finding the Fourth Proportional to 14,545.76, 21,790.80 and 11,927.52

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Solution

The fourth proportional to 14,545.76, 21,790.80 and 11,927.52 is: 17,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.76 : 21,790.80 = 11,927.52 : x
  2. Step 2: Convert to fraction form
    14,545.76/21,790.80 = 11,927.52/x
  3. Step 3: Cross multiply
    14,545.76x = 21,790.80 × 11,927.52
  4. Step 4: Simplify right side
    14,545.76x = 259,910,202.82
  5. Step 5: Solve for x
    x = 259,910,202.82/14,545.76
  6. Step 6: Final answer
    x = 17,868.45

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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.