Home / 16,991.94-25,487.90-5,306.16

Finding the Fourth Proportional to 16,991.94, 25,487.90 and 5,306.16

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Solution

The fourth proportional to 16,991.94, 25,487.90 and 5,306.16 is: 7,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.94 : 25,487.90 = 5,306.16 : x
  2. Step 2: Convert to fraction form
    16,991.94/25,487.90 = 5,306.16/x
  3. Step 3: Cross multiply
    16,991.94x = 25,487.90 × 5,306.16
  4. Step 4: Simplify right side
    16,991.94x = 135,242,875.46
  5. Step 5: Solve for x
    x = 135,242,875.46/16,991.94
  6. Step 6: Final answer
    x = 7,959.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.