Home / 16,901.12-25,355.20-6,515.84

Finding the Fourth Proportional to 16,901.12, 25,355.20 and 6,515.84

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Solution

The fourth proportional to 16,901.12, 25,355.20 and 6,515.84 is: 9,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.12 : 25,355.20 = 6,515.84 : x
  2. Step 2: Convert to fraction form
    16,901.12/25,355.20 = 6,515.84/x
  3. Step 3: Cross multiply
    16,901.12x = 25,355.20 × 6,515.84
  4. Step 4: Simplify right side
    16,901.12x = 165,210,426.37
  5. Step 5: Solve for x
    x = 165,210,426.37/16,901.12
  6. Step 6: Final answer
    x = 9,775.12

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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.