Home / 14,529.05-21,805.25-7,511.12

Finding the Fourth Proportional to 14,529.05, 21,805.25 and 7,511.12

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Solution

The fourth proportional to 14,529.05, 21,805.25 and 7,511.12 is: 11,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.05 : 21,805.25 = 7,511.12 : x
  2. Step 2: Convert to fraction form
    14,529.05/21,805.25 = 7,511.12/x
  3. Step 3: Cross multiply
    14,529.05x = 21,805.25 × 7,511.12
  4. Step 4: Simplify right side
    14,529.05x = 163,781,849.38
  5. Step 5: Solve for x
    x = 163,781,849.38/14,529.05
  6. Step 6: Final answer
    x = 11,272.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.