Home / 12,993.26-17,925.65-7,326.70

Finding the Fourth Proportional to 12,993.26, 17,925.65 and 7,326.70

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Solution

The fourth proportional to 12,993.26, 17,925.65 and 7,326.70 is: 10,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.26 : 17,925.65 = 7,326.70 : x
  2. Step 2: Convert to fraction form
    12,993.26/17,925.65 = 7,326.70/x
  3. Step 3: Cross multiply
    12,993.26x = 17,925.65 × 7,326.70
  4. Step 4: Simplify right side
    12,993.26x = 131,335,947.93
  5. Step 5: Solve for x
    x = 131,335,947.93/12,993.26
  6. Step 6: Final answer
    x = 10,108.01

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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.