Home / 14,669.85-20,248.98-9,896.70

Finding the Fourth Proportional to 14,669.85, 20,248.98 and 9,896.70

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Solution

The fourth proportional to 14,669.85, 20,248.98 and 9,896.70 is: 13,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.85 : 20,248.98 = 9,896.70 : x
  2. Step 2: Convert to fraction form
    14,669.85/20,248.98 = 9,896.70/x
  3. Step 3: Cross multiply
    14,669.85x = 20,248.98 × 9,896.70
  4. Step 4: Simplify right side
    14,669.85x = 200,398,080.37
  5. Step 5: Solve for x
    x = 200,398,080.37/14,669.85
  6. Step 6: Final answer
    x = 13,660.54

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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.