Home / 15,995.78-22,075.89-8,924.66

Finding the Fourth Proportional to 15,995.78, 22,075.89 and 8,924.66

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Solution

The fourth proportional to 15,995.78, 22,075.89 and 8,924.66 is: 12,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.78 : 22,075.89 = 8,924.66 : x
  2. Step 2: Convert to fraction form
    15,995.78/22,075.89 = 8,924.66/x
  3. Step 3: Cross multiply
    15,995.78x = 22,075.89 × 8,924.66
  4. Step 4: Simplify right side
    15,995.78x = 197,019,812.45
  5. Step 5: Solve for x
    x = 197,019,812.45/15,995.78
  6. Step 6: Final answer
    x = 12,316.99

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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.