Home / 14,962.70-20,648.40-8,248.34

Finding the Fourth Proportional to 14,962.70, 20,648.40 and 8,248.34

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Solution

The fourth proportional to 14,962.70, 20,648.40 and 8,248.34 is: 11,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.70 : 20,648.40 = 8,248.34 : x
  2. Step 2: Convert to fraction form
    14,962.70/20,648.40 = 8,248.34/x
  3. Step 3: Cross multiply
    14,962.70x = 20,648.40 × 8,248.34
  4. Step 4: Simplify right side
    14,962.70x = 170,315,023.66
  5. Step 5: Solve for x
    x = 170,315,023.66/14,962.70
  6. Step 6: Final answer
    x = 11,382.64

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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.