Home / 16,991.86-23,450.60-10,281.18

Finding the Fourth Proportional to 16,991.86, 23,450.60 and 10,281.18

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Solution

The fourth proportional to 16,991.86, 23,450.60 and 10,281.18 is: 14,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.86 : 23,450.60 = 10,281.18 : x
  2. Step 2: Convert to fraction form
    16,991.86/23,450.60 = 10,281.18/x
  3. Step 3: Cross multiply
    16,991.86x = 23,450.60 × 10,281.18
  4. Step 4: Simplify right side
    16,991.86x = 241,099,895.52
  5. Step 5: Solve for x
    x = 241,099,895.52/16,991.86
  6. Step 6: Final answer
    x = 14,189.14

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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.