Home / 15,997.05-22,075.88-8,923.68

Finding the Fourth Proportional to 15,997.05, 22,075.88 and 8,923.68

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Solution

The fourth proportional to 15,997.05, 22,075.88 and 8,923.68 is: 12,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.05 : 22,075.88 = 8,923.68 : x
  2. Step 2: Convert to fraction form
    15,997.05/22,075.88 = 8,923.68/x
  3. Step 3: Cross multiply
    15,997.05x = 22,075.88 × 8,923.68
  4. Step 4: Simplify right side
    15,997.05x = 196,998,044.22
  5. Step 5: Solve for x
    x = 196,998,044.22/15,997.05
  6. Step 6: Final answer
    x = 12,314.65

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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.