Home / 16,188.99-22,342.95-9,116.79

Finding the Fourth Proportional to 16,188.99, 22,342.95 and 9,116.79

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Solution

The fourth proportional to 16,188.99, 22,342.95 and 9,116.79 is: 12,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.99 : 22,342.95 = 9,116.79 : x
  2. Step 2: Convert to fraction form
    16,188.99/22,342.95 = 9,116.79/x
  3. Step 3: Cross multiply
    16,188.99x = 22,342.95 × 9,116.79
  4. Step 4: Simplify right side
    16,188.99x = 203,695,983.13
  5. Step 5: Solve for x
    x = 203,695,983.13/16,188.99
  6. Step 6: Final answer
    x = 12,582.38

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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.