Home / 22,117.60-33,176.40-19,266.40

Finding the Fourth Proportional to 22,117.60, 33,176.40 and 19,266.40

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Solution

The fourth proportional to 22,117.60, 33,176.40 and 19,266.40 is: 28,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.60 : 33,176.40 = 19,266.40 : x
  2. Step 2: Convert to fraction form
    22,117.60/33,176.40 = 19,266.40/x
  3. Step 3: Cross multiply
    22,117.60x = 33,176.40 × 19,266.40
  4. Step 4: Simplify right side
    22,117.60x = 639,189,792.96
  5. Step 5: Solve for x
    x = 639,189,792.96/22,117.60
  6. Step 6: Final answer
    x = 28,899.60

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Similar ratio
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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.