Home / 16,916.40-23,352.80-11,260.56

Finding the Fourth Proportional to 16,916.40, 23,352.80 and 11,260.56

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Solution

The fourth proportional to 16,916.40, 23,352.80 and 11,260.56 is: 15,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.40 : 23,352.80 = 11,260.56 : x
  2. Step 2: Convert to fraction form
    16,916.40/23,352.80 = 11,260.56/x
  3. Step 3: Cross multiply
    16,916.40x = 23,352.80 × 11,260.56
  4. Step 4: Simplify right side
    16,916.40x = 262,965,605.57
  5. Step 5: Solve for x
    x = 262,965,605.57/16,916.40
  6. Step 6: Final answer
    x = 15,545.01

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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.