Home / 16,920.50-25,389.63-6,932.66

Finding the Fourth Proportional to 16,920.50, 25,389.63 and 6,932.66

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Solution

The fourth proportional to 16,920.50, 25,389.63 and 6,932.66 is: 10,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.50 : 25,389.63 = 6,932.66 : x
  2. Step 2: Convert to fraction form
    16,920.50/25,389.63 = 6,932.66/x
  3. Step 3: Cross multiply
    16,920.50x = 25,389.63 × 6,932.66
  4. Step 4: Simplify right side
    16,920.50x = 176,017,545.37
  5. Step 5: Solve for x
    x = 176,017,545.37/16,920.50
  6. Step 6: Final answer
    x = 10,402.62

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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.