Home / 22,353.05-33,518.10-11,828.75

Finding the Fourth Proportional to 22,353.05, 33,518.10 and 11,828.75

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Solution

The fourth proportional to 22,353.05, 33,518.10 and 11,828.75 is: 17,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.05 : 33,518.10 = 11,828.75 : x
  2. Step 2: Convert to fraction form
    22,353.05/33,518.10 = 11,828.75/x
  3. Step 3: Cross multiply
    22,353.05x = 33,518.10 × 11,828.75
  4. Step 4: Simplify right side
    22,353.05x = 396,477,225.38
  5. Step 5: Solve for x
    x = 396,477,225.38/22,353.05
  6. Step 6: Final answer
    x = 17,737.05

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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.