Home / 22,285.63-33,405.99-13,971.49

Finding the Fourth Proportional to 22,285.63, 33,405.99 and 13,971.49

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Solution

The fourth proportional to 22,285.63, 33,405.99 and 13,971.49 is: 20,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.63 : 33,405.99 = 13,971.49 : x
  2. Step 2: Convert to fraction form
    22,285.63/33,405.99 = 13,971.49/x
  3. Step 3: Cross multiply
    22,285.63x = 33,405.99 × 13,971.49
  4. Step 4: Simplify right side
    22,285.63x = 466,731,319.32
  5. Step 5: Solve for x
    x = 466,731,319.32/22,285.63
  6. Step 6: Final answer
    x = 20,943.15

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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.