Home / 22,421.08-33,631.60-10,572.09

Finding the Fourth Proportional to 22,421.08, 33,631.60 and 10,572.09

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Solution

The fourth proportional to 22,421.08, 33,631.60 and 10,572.09 is: 15,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.08 : 33,631.60 = 10,572.09 : x
  2. Step 2: Convert to fraction form
    22,421.08/33,631.60 = 10,572.09/x
  3. Step 3: Cross multiply
    22,421.08x = 33,631.60 × 10,572.09
  4. Step 4: Simplify right side
    22,421.08x = 355,556,302.04
  5. Step 5: Solve for x
    x = 355,556,302.04/22,421.08
  6. Step 6: Final answer
    x = 15,858.13

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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.