Home / 15,778.48-23,668.56-14,991.04

Finding the Fourth Proportional to 15,778.48, 23,668.56 and 14,991.04

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Solution

The fourth proportional to 15,778.48, 23,668.56 and 14,991.04 is: 22,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.48 : 23,668.56 = 14,991.04 : x
  2. Step 2: Convert to fraction form
    15,778.48/23,668.56 = 14,991.04/x
  3. Step 3: Cross multiply
    15,778.48x = 23,668.56 × 14,991.04
  4. Step 4: Simplify right side
    15,778.48x = 354,816,329.70
  5. Step 5: Solve for x
    x = 354,816,329.70/15,778.48
  6. Step 6: Final answer
    x = 22,487.36

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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.