Home / 13,117.33-19,668.78-8,962.03

Finding the Fourth Proportional to 13,117.33, 19,668.78 and 8,962.03

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Solution

The fourth proportional to 13,117.33, 19,668.78 and 8,962.03 is: 13,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.33 : 19,668.78 = 8,962.03 : x
  2. Step 2: Convert to fraction form
    13,117.33/19,668.78 = 8,962.03/x
  3. Step 3: Cross multiply
    13,117.33x = 19,668.78 × 8,962.03
  4. Step 4: Simplify right side
    13,117.33x = 176,272,196.42
  5. Step 5: Solve for x
    x = 176,272,196.42/13,117.33
  6. Step 6: Final answer
    x = 13,438.12

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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.