Home / 14,965.84-20,653.76-8,252.96

Finding the Fourth Proportional to 14,965.84, 20,653.76 and 8,252.96

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Solution

The fourth proportional to 14,965.84, 20,653.76 and 8,252.96 is: 11,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.84 : 20,653.76 = 8,252.96 : x
  2. Step 2: Convert to fraction form
    14,965.84/20,653.76 = 8,252.96/x
  3. Step 3: Cross multiply
    14,965.84x = 20,653.76 × 8,252.96
  4. Step 4: Simplify right side
    14,965.84x = 170,454,655.13
  5. Step 5: Solve for x
    x = 170,454,655.13/14,965.84
  6. Step 6: Final answer
    x = 11,389.58

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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.