Home / 16,188.19-22,338.08-11,941.55

Finding the Fourth Proportional to 16,188.19, 22,338.08 and 11,941.55

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Solution

The fourth proportional to 16,188.19, 22,338.08 and 11,941.55 is: 16,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.19 : 22,338.08 = 11,941.55 : x
  2. Step 2: Convert to fraction form
    16,188.19/22,338.08 = 11,941.55/x
  3. Step 3: Cross multiply
    16,188.19x = 22,338.08 × 11,941.55
  4. Step 4: Simplify right side
    16,188.19x = 266,751,127.83
  5. Step 5: Solve for x
    x = 266,751,127.83/16,188.19
  6. Step 6: Final answer
    x = 16,478.13

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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.