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Finding the Fourth Proportional to 14,395, 21,593.22 and 13,637.56

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Solution

The fourth proportional to 14,395, 21,593.22 and 13,637.56 is: 20,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395 : 21,593.22 = 13,637.56 : x
  2. Step 2: Convert to fraction form
    14,395/21,593.22 = 13,637.56/x
  3. Step 3: Cross multiply
    14,395x = 21,593.22 × 13,637.56
  4. Step 4: Simplify right side
    14,395x = 294,478,833.34
  5. Step 5: Solve for x
    x = 294,478,833.34/14,395
  6. Step 6: Final answer
    x = 20,457.02

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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.