Home / 14,876.82-20,528.69-8,502.14

Finding the Fourth Proportional to 14,876.82, 20,528.69 and 8,502.14

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Solution

The fourth proportional to 14,876.82, 20,528.69 and 8,502.14 is: 11,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.82 : 20,528.69 = 8,502.14 : x
  2. Step 2: Convert to fraction form
    14,876.82/20,528.69 = 8,502.14/x
  3. Step 3: Cross multiply
    14,876.82x = 20,528.69 × 8,502.14
  4. Step 4: Simplify right side
    14,876.82x = 174,537,651.24
  5. Step 5: Solve for x
    x = 174,537,651.24/14,876.82
  6. Step 6: Final answer
    x = 11,732.19

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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.