Home / 22,479.28-33,701.59-8,439.01

Finding the Fourth Proportional to 22,479.28, 33,701.59 and 8,439.01

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Solution

The fourth proportional to 22,479.28, 33,701.59 and 8,439.01 is: 12,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.28 : 33,701.59 = 8,439.01 : x
  2. Step 2: Convert to fraction form
    22,479.28/33,701.59 = 8,439.01/x
  3. Step 3: Cross multiply
    22,479.28x = 33,701.59 × 8,439.01
  4. Step 4: Simplify right side
    22,479.28x = 284,408,099.84
  5. Step 5: Solve for x
    x = 284,408,099.84/22,479.28
  6. Step 6: Final answer
    x = 12,652.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.