Home / 16,192.99-22,347.92-9,478.21

Finding the Fourth Proportional to 16,192.99, 22,347.92 and 9,478.21

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Solution

The fourth proportional to 16,192.99, 22,347.92 and 9,478.21 is: 13,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,192.99 : 22,347.92 = 9,478.21 : x
  2. Step 2: Convert to fraction form
    16,192.99/22,347.92 = 9,478.21/x
  3. Step 3: Cross multiply
    16,192.99x = 22,347.92 × 9,478.21
  4. Step 4: Simplify right side
    16,192.99x = 211,818,278.82
  5. Step 5: Solve for x
    x = 211,818,278.82/16,192.99
  6. Step 6: Final answer
    x = 13,080.86

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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.