Home / 18,928.59-26,121.20-10,545.09

Finding the Fourth Proportional to 18,928.59, 26,121.20 and 10,545.09

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Solution

The fourth proportional to 18,928.59, 26,121.20 and 10,545.09 is: 14,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.59 : 26,121.20 = 10,545.09 : x
  2. Step 2: Convert to fraction form
    18,928.59/26,121.20 = 10,545.09/x
  3. Step 3: Cross multiply
    18,928.59x = 26,121.20 × 10,545.09
  4. Step 4: Simplify right side
    18,928.59x = 275,450,352.18
  5. Step 5: Solve for x
    x = 275,450,352.18/18,928.59
  6. Step 6: Final answer
    x = 14,552.08

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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.