Home / 14,872.75-22,312.37-5,638.75

Finding the Fourth Proportional to 14,872.75, 22,312.37 and 5,638.75

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Solution

The fourth proportional to 14,872.75, 22,312.37 and 5,638.75 is: 8,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.75 : 22,312.37 = 5,638.75 : x
  2. Step 2: Convert to fraction form
    14,872.75/22,312.37 = 5,638.75/x
  3. Step 3: Cross multiply
    14,872.75x = 22,312.37 × 5,638.75
  4. Step 4: Simplify right side
    14,872.75x = 125,813,876.34
  5. Step 5: Solve for x
    x = 125,813,876.34/14,872.75
  6. Step 6: Final answer
    x = 8,459.36

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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.