Home / 19,247.35-28,880.60-10,808.62

Finding the Fourth Proportional to 19,247.35, 28,880.60 and 10,808.62

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Solution

The fourth proportional to 19,247.35, 28,880.60 and 10,808.62 is: 16,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.35 : 28,880.60 = 10,808.62 : x
  2. Step 2: Convert to fraction form
    19,247.35/28,880.60 = 10,808.62/x
  3. Step 3: Cross multiply
    19,247.35x = 28,880.60 × 10,808.62
  4. Step 4: Simplify right side
    19,247.35x = 312,159,232.33
  5. Step 5: Solve for x
    x = 312,159,232.33/19,247.35
  6. Step 6: Final answer
    x = 16,218.30

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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.