Home / 15,255.36-22,816.08-13,279.04

Finding the Fourth Proportional to 15,255.36, 22,816.08 and 13,279.04

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Solution

The fourth proportional to 15,255.36, 22,816.08 and 13,279.04 is: 19,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.36 : 22,816.08 = 13,279.04 : x
  2. Step 2: Convert to fraction form
    15,255.36/22,816.08 = 13,279.04/x
  3. Step 3: Cross multiply
    15,255.36x = 22,816.08 × 13,279.04
  4. Step 4: Simplify right side
    15,255.36x = 302,975,638.96
  5. Step 5: Solve for x
    x = 302,975,638.96/15,255.36
  6. Step 6: Final answer
    x = 19,860.27

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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.