Home / 14,966.24-20,648.40-9,664.56

Finding the Fourth Proportional to 14,966.24, 20,648.40 and 9,664.56

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Solution

The fourth proportional to 14,966.24, 20,648.40 and 9,664.56 is: 13,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.24 : 20,648.40 = 9,664.56 : x
  2. Step 2: Convert to fraction form
    14,966.24/20,648.40 = 9,664.56/x
  3. Step 3: Cross multiply
    14,966.24x = 20,648.40 × 9,664.56
  4. Step 4: Simplify right side
    14,966.24x = 199,557,700.70
  5. Step 5: Solve for x
    x = 199,557,700.70/14,966.24
  6. Step 6: Final answer
    x = 13,333.86

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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.