Home / 22,068.93-30,455.71-11,998.05

Finding the Fourth Proportional to 22,068.93, 30,455.71 and 11,998.05

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Solution

The fourth proportional to 22,068.93, 30,455.71 and 11,998.05 is: 16,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.93 : 30,455.71 = 11,998.05 : x
  2. Step 2: Convert to fraction form
    22,068.93/30,455.71 = 11,998.05/x
  3. Step 3: Cross multiply
    22,068.93x = 30,455.71 × 11,998.05
  4. Step 4: Simplify right side
    22,068.93x = 365,408,987.16
  5. Step 5: Solve for x
    x = 365,408,987.16/22,068.93
  6. Step 6: Final answer
    x = 16,557.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.