Home / 15,950.50-22,010.86-12,176.30

Finding the Fourth Proportional to 15,950.50, 22,010.86 and 12,176.30

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Solution

The fourth proportional to 15,950.50, 22,010.86 and 12,176.30 is: 16,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.50 : 22,010.86 = 12,176.30 : x
  2. Step 2: Convert to fraction form
    15,950.50/22,010.86 = 12,176.30/x
  3. Step 3: Cross multiply
    15,950.50x = 22,010.86 × 12,176.30
  4. Step 4: Simplify right side
    15,950.50x = 268,010,834.62
  5. Step 5: Solve for x
    x = 268,010,834.62/15,950.50
  6. Step 6: Final answer
    x = 16,802.66

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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.