Home / 22,208.40-33,291.36-8,165.16

Finding the Fourth Proportional to 22,208.40, 33,291.36 and 8,165.16

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Solution

The fourth proportional to 22,208.40, 33,291.36 and 8,165.16 is: 12,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.40 : 33,291.36 = 8,165.16 : x
  2. Step 2: Convert to fraction form
    22,208.40/33,291.36 = 8,165.16/x
  3. Step 3: Cross multiply
    22,208.40x = 33,291.36 × 8,165.16
  4. Step 4: Simplify right side
    22,208.40x = 271,829,281.02
  5. Step 5: Solve for x
    x = 271,829,281.02/22,208.40
  6. Step 6: Final answer
    x = 12,239.93

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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.