Home / 14,345.10-21,517.65-5,586.17

Finding the Fourth Proportional to 14,345.10, 21,517.65 and 5,586.17

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Solution

The fourth proportional to 14,345.10, 21,517.65 and 5,586.17 is: 8,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.10 : 21,517.65 = 5,586.17 : x
  2. Step 2: Convert to fraction form
    14,345.10/21,517.65 = 5,586.17/x
  3. Step 3: Cross multiply
    14,345.10x = 21,517.65 × 5,586.17
  4. Step 4: Simplify right side
    14,345.10x = 120,201,143.31
  5. Step 5: Solve for x
    x = 120,201,143.31/14,345.10
  6. Step 6: Final answer
    x = 8,379.25

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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.