Home / 17,677.62-24,395.21-9,720.36

Finding the Fourth Proportional to 17,677.62, 24,395.21 and 9,720.36

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Solution

The fourth proportional to 17,677.62, 24,395.21 and 9,720.36 is: 13,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.62 : 24,395.21 = 9,720.36 : x
  2. Step 2: Convert to fraction form
    17,677.62/24,395.21 = 9,720.36/x
  3. Step 3: Cross multiply
    17,677.62x = 24,395.21 × 9,720.36
  4. Step 4: Simplify right side
    17,677.62x = 237,130,247.78
  5. Step 5: Solve for x
    x = 237,130,247.78/17,677.62
  6. Step 6: Final answer
    x = 13,414.15

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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.