Home / 14,477.92-21,717.09-5,712.75

Finding the Fourth Proportional to 14,477.92, 21,717.09 and 5,712.75

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Solution

The fourth proportional to 14,477.92, 21,717.09 and 5,712.75 is: 8,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.92 : 21,717.09 = 5,712.75 : x
  2. Step 2: Convert to fraction form
    14,477.92/21,717.09 = 5,712.75/x
  3. Step 3: Cross multiply
    14,477.92x = 21,717.09 × 5,712.75
  4. Step 4: Simplify right side
    14,477.92x = 124,064,305.90
  5. Step 5: Solve for x
    x = 124,064,305.90/14,477.92
  6. Step 6: Final answer
    x = 8,569.21

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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.