Home / 13,980.52-20,967.90-6,184.36

Finding the Fourth Proportional to 13,980.52, 20,967.90 and 6,184.36

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Solution

The fourth proportional to 13,980.52, 20,967.90 and 6,184.36 is: 9,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.52 : 20,967.90 = 6,184.36 : x
  2. Step 2: Convert to fraction form
    13,980.52/20,967.90 = 6,184.36/x
  3. Step 3: Cross multiply
    13,980.52x = 20,967.90 × 6,184.36
  4. Step 4: Simplify right side
    13,980.52x = 129,673,042.04
  5. Step 5: Solve for x
    x = 129,673,042.04/13,980.52
  6. Step 6: Final answer
    x = 9,275.27

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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.