Home / 15,942.87-22,001.06-8,773.23

Finding the Fourth Proportional to 15,942.87, 22,001.06 and 8,773.23

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Solution

The fourth proportional to 15,942.87, 22,001.06 and 8,773.23 is: 12,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.87 : 22,001.06 = 8,773.23 : x
  2. Step 2: Convert to fraction form
    15,942.87/22,001.06 = 8,773.23/x
  3. Step 3: Cross multiply
    15,942.87x = 22,001.06 × 8,773.23
  4. Step 4: Simplify right side
    15,942.87x = 193,020,315.76
  5. Step 5: Solve for x
    x = 193,020,315.76/15,942.87
  6. Step 6: Final answer
    x = 12,107.00

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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.