Home / 17,118.10-23,622.78-12,077.08

Finding the Fourth Proportional to 17,118.10, 23,622.78 and 12,077.08

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Solution

The fourth proportional to 17,118.10, 23,622.78 and 12,077.08 is: 16,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.10 : 23,622.78 = 12,077.08 : x
  2. Step 2: Convert to fraction form
    17,118.10/23,622.78 = 12,077.08/x
  3. Step 3: Cross multiply
    17,118.10x = 23,622.78 × 12,077.08
  4. Step 4: Simplify right side
    17,118.10x = 285,294,203.88
  5. Step 5: Solve for x
    x = 285,294,203.88/17,118.10
  6. Step 6: Final answer
    x = 16,666.23

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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.