Home / 15,466.20-21,344.39-8,752.11

Finding the Fourth Proportional to 15,466.20, 21,344.39 and 8,752.11

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Solution

The fourth proportional to 15,466.20, 21,344.39 and 8,752.11 is: 12,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.20 : 21,344.39 = 8,752.11 : x
  2. Step 2: Convert to fraction form
    15,466.20/21,344.39 = 8,752.11/x
  3. Step 3: Cross multiply
    15,466.20x = 21,344.39 × 8,752.11
  4. Step 4: Simplify right side
    15,466.20x = 186,808,405.40
  5. Step 5: Solve for x
    x = 186,808,405.40/15,466.20
  6. Step 6: Final answer
    x = 12,078.49

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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.