Home / 14,553.68-20,083.75-8,587.22

Finding the Fourth Proportional to 14,553.68, 20,083.75 and 8,587.22

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Solution

The fourth proportional to 14,553.68, 20,083.75 and 8,587.22 is: 11,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.68 : 20,083.75 = 8,587.22 : x
  2. Step 2: Convert to fraction form
    14,553.68/20,083.75 = 8,587.22/x
  3. Step 3: Cross multiply
    14,553.68x = 20,083.75 × 8,587.22
  4. Step 4: Simplify right side
    14,553.68x = 172,463,457.79
  5. Step 5: Solve for x
    x = 172,463,457.79/14,553.68
  6. Step 6: Final answer
    x = 11,850.17

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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.