Home / 16,237.89-22,405.23-9,162.99

Finding the Fourth Proportional to 16,237.89, 22,405.23 and 9,162.99

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Solution

The fourth proportional to 16,237.89, 22,405.23 and 9,162.99 is: 12,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,237.89 : 22,405.23 = 9,162.99 : x
  2. Step 2: Convert to fraction form
    16,237.89/22,405.23 = 9,162.99/x
  3. Step 3: Cross multiply
    16,237.89x = 22,405.23 × 9,162.99
  4. Step 4: Simplify right side
    16,237.89x = 205,298,898.44
  5. Step 5: Solve for x
    x = 205,298,898.44/16,237.89
  6. Step 6: Final answer
    x = 12,643.20

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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.