Home / 28,199.03-38,914.53-15,452.19

Finding the Fourth Proportional to 28,199.03, 38,914.53 and 15,452.19

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Solution

The fourth proportional to 28,199.03, 38,914.53 and 15,452.19 is: 21,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.03 : 38,914.53 = 15,452.19 : x
  2. Step 2: Convert to fraction form
    28,199.03/38,914.53 = 15,452.19/x
  3. Step 3: Cross multiply
    28,199.03x = 38,914.53 × 15,452.19
  4. Step 4: Simplify right side
    28,199.03x = 601,314,711.32
  5. Step 5: Solve for x
    x = 601,314,711.32/28,199.03
  6. Step 6: Final answer
    x = 21,323.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.