Home / 15,559.49-21,473.91-8,846.12

Finding the Fourth Proportional to 15,559.49, 21,473.91 and 8,846.12

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Solution

The fourth proportional to 15,559.49, 21,473.91 and 8,846.12 is: 12,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.49 : 21,473.91 = 8,846.12 : x
  2. Step 2: Convert to fraction form
    15,559.49/21,473.91 = 8,846.12/x
  3. Step 3: Cross multiply
    15,559.49x = 21,473.91 × 8,846.12
  4. Step 4: Simplify right side
    15,559.49x = 189,960,753.14
  5. Step 5: Solve for x
    x = 189,960,753.14/15,559.49
  6. Step 6: Final answer
    x = 12,208.68

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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.