Home / 16,806.48-25,213.38-5,119.40

Finding the Fourth Proportional to 16,806.48, 25,213.38 and 5,119.40

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Solution

The fourth proportional to 16,806.48, 25,213.38 and 5,119.40 is: 7,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.48 : 25,213.38 = 5,119.40 : x
  2. Step 2: Convert to fraction form
    16,806.48/25,213.38 = 5,119.40/x
  3. Step 3: Cross multiply
    16,806.48x = 25,213.38 × 5,119.40
  4. Step 4: Simplify right side
    16,806.48x = 129,077,251.51
  5. Step 5: Solve for x
    x = 129,077,251.51/16,806.48
  6. Step 6: Final answer
    x = 7,680.21

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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.