Home / 14,553.48-21,839.76-7,984.26

Finding the Fourth Proportional to 14,553.48, 21,839.76 and 7,984.26

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Solution

The fourth proportional to 14,553.48, 21,839.76 and 7,984.26 is: 11,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.48 : 21,839.76 = 7,984.26 : x
  2. Step 2: Convert to fraction form
    14,553.48/21,839.76 = 7,984.26/x
  3. Step 3: Cross multiply
    14,553.48x = 21,839.76 × 7,984.26
  4. Step 4: Simplify right side
    14,553.48x = 174,374,322.18
  5. Step 5: Solve for x
    x = 174,374,322.18/14,553.48
  6. Step 6: Final answer
    x = 11,981.62

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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.