Home / 18,799.81-28,331.86-16,927.99

Finding the Fourth Proportional to 18,799.81, 28,331.86 and 16,927.99

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Solution

The fourth proportional to 18,799.81, 28,331.86 and 16,927.99 is: 25,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.81 : 28,331.86 = 16,927.99 : x
  2. Step 2: Convert to fraction form
    18,799.81/28,331.86 = 16,927.99/x
  3. Step 3: Cross multiply
    18,799.81x = 28,331.86 × 16,927.99
  4. Step 4: Simplify right side
    18,799.81x = 479,601,442.76
  5. Step 5: Solve for x
    x = 479,601,442.76/18,799.81
  6. Step 6: Final answer
    x = 25,510.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.