Home / 14,962.70-20,648.42-8,248.32

Finding the Fourth Proportional to 14,962.70, 20,648.42 and 8,248.32

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Solution

The fourth proportional to 14,962.70, 20,648.42 and 8,248.32 is: 11,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.70 : 20,648.42 = 8,248.32 : x
  2. Step 2: Convert to fraction form
    14,962.70/20,648.42 = 8,248.32/x
  3. Step 3: Cross multiply
    14,962.70x = 20,648.42 × 8,248.32
  4. Step 4: Simplify right side
    14,962.70x = 170,314,734.41
  5. Step 5: Solve for x
    x = 170,314,734.41/14,962.70
  6. Step 6: Final answer
    x = 11,382.62

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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.