Home / 16,039.99-22,134.30-8,869.49

Finding the Fourth Proportional to 16,039.99, 22,134.30 and 8,869.49

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Solution

The fourth proportional to 16,039.99, 22,134.30 and 8,869.49 is: 12,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.99 : 22,134.30 = 8,869.49 : x
  2. Step 2: Convert to fraction form
    16,039.99/22,134.30 = 8,869.49/x
  3. Step 3: Cross multiply
    16,039.99x = 22,134.30 × 8,869.49
  4. Step 4: Simplify right side
    16,039.99x = 196,319,952.51
  5. Step 5: Solve for x
    x = 196,319,952.51/16,039.99
  6. Step 6: Final answer
    x = 12,239.41

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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.