Home / 22,439.68-30,966.32-12,369.08

Finding the Fourth Proportional to 22,439.68, 30,966.32 and 12,369.08

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Solution

The fourth proportional to 22,439.68, 30,966.32 and 12,369.08 is: 17,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.68 : 30,966.32 = 12,369.08 : x
  2. Step 2: Convert to fraction form
    22,439.68/30,966.32 = 12,369.08/x
  3. Step 3: Cross multiply
    22,439.68x = 30,966.32 × 12,369.08
  4. Step 4: Simplify right side
    22,439.68x = 383,024,889.39
  5. Step 5: Solve for x
    x = 383,024,889.39/22,439.68
  6. Step 6: Final answer
    x = 17,069.09

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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.