Home / 16,823.86-23,240.50-15,938.14

Finding the Fourth Proportional to 16,823.86, 23,240.50 and 15,938.14

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Solution

The fourth proportional to 16,823.86, 23,240.50 and 15,938.14 is: 22,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.86 : 23,240.50 = 15,938.14 : x
  2. Step 2: Convert to fraction form
    16,823.86/23,240.50 = 15,938.14/x
  3. Step 3: Cross multiply
    16,823.86x = 23,240.50 × 15,938.14
  4. Step 4: Simplify right side
    16,823.86x = 370,410,342.67
  5. Step 5: Solve for x
    x = 370,410,342.67/16,823.86
  6. Step 6: Final answer
    x = 22,016.97

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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.