Home / 16,886.90-25,309.58-9,475.79

Finding the Fourth Proportional to 16,886.90, 25,309.58 and 9,475.79

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Solution

The fourth proportional to 16,886.90, 25,309.58 and 9,475.79 is: 14,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.90 : 25,309.58 = 9,475.79 : x
  2. Step 2: Convert to fraction form
    16,886.90/25,309.58 = 9,475.79/x
  3. Step 3: Cross multiply
    16,886.90x = 25,309.58 × 9,475.79
  4. Step 4: Simplify right side
    16,886.90x = 239,828,138.52
  5. Step 5: Solve for x
    x = 239,828,138.52/16,886.90
  6. Step 6: Final answer
    x = 14,202.03

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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.