Home / 22,109.13-33,165.51-13,284.60

Finding the Fourth Proportional to 22,109.13, 33,165.51 and 13,284.60

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Solution

The fourth proportional to 22,109.13, 33,165.51 and 13,284.60 is: 19,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.13 : 33,165.51 = 13,284.60 : x
  2. Step 2: Convert to fraction form
    22,109.13/33,165.51 = 13,284.60/x
  3. Step 3: Cross multiply
    22,109.13x = 33,165.51 × 13,284.60
  4. Step 4: Simplify right side
    22,109.13x = 440,590,534.15
  5. Step 5: Solve for x
    x = 440,590,534.15/22,109.13
  6. Step 6: Final answer
    x = 19,927.99

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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.