Home / 12,923.52-17,835.20-9,731.08

Finding the Fourth Proportional to 12,923.52, 17,835.20 and 9,731.08

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Solution

The fourth proportional to 12,923.52, 17,835.20 and 9,731.08 is: 13,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.52 : 17,835.20 = 9,731.08 : x
  2. Step 2: Convert to fraction form
    12,923.52/17,835.20 = 9,731.08/x
  3. Step 3: Cross multiply
    12,923.52x = 17,835.20 × 9,731.08
  4. Step 4: Simplify right side
    12,923.52x = 173,555,758.02
  5. Step 5: Solve for x
    x = 173,555,758.02/12,923.52
  6. Step 6: Final answer
    x = 13,429.45

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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.