Home / 22,370.49-33,531.12-9,215.68

Finding the Fourth Proportional to 22,370.49, 33,531.12 and 9,215.68

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Solution

The fourth proportional to 22,370.49, 33,531.12 and 9,215.68 is: 13,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.49 : 33,531.12 = 9,215.68 : x
  2. Step 2: Convert to fraction form
    22,370.49/33,531.12 = 9,215.68/x
  3. Step 3: Cross multiply
    22,370.49x = 33,531.12 × 9,215.68
  4. Step 4: Simplify right side
    22,370.49x = 309,012,071.96
  5. Step 5: Solve for x
    x = 309,012,071.96/22,370.49
  6. Step 6: Final answer
    x = 13,813.38

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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.