Home / 14,486.40-21,730.68-6,165.54

Finding the Fourth Proportional to 14,486.40, 21,730.68 and 6,165.54

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Solution

The fourth proportional to 14,486.40, 21,730.68 and 6,165.54 is: 9,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.40 : 21,730.68 = 6,165.54 : x
  2. Step 2: Convert to fraction form
    14,486.40/21,730.68 = 6,165.54/x
  3. Step 3: Cross multiply
    14,486.40x = 21,730.68 × 6,165.54
  4. Step 4: Simplify right side
    14,486.40x = 133,981,376.77
  5. Step 5: Solve for x
    x = 133,981,376.77/14,486.40
  6. Step 6: Final answer
    x = 9,248.77

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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.