Home / 16,157.76-22,338.60-14,188.80

Finding the Fourth Proportional to 16,157.76, 22,338.60 and 14,188.80

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Solution

The fourth proportional to 16,157.76, 22,338.60 and 14,188.80 is: 19,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,157.76 : 22,338.60 = 14,188.80 : x
  2. Step 2: Convert to fraction form
    16,157.76/22,338.60 = 14,188.80/x
  3. Step 3: Cross multiply
    16,157.76x = 22,338.60 × 14,188.80
  4. Step 4: Simplify right side
    16,157.76x = 316,957,927.68
  5. Step 5: Solve for x
    x = 316,957,927.68/16,157.76
  6. Step 6: Final answer
    x = 19,616.45

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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.