Home / 12,588.95-17,390.46-11,924.66

Finding the Fourth Proportional to 12,588.95, 17,390.46 and 11,924.66

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Solution

The fourth proportional to 12,588.95, 17,390.46 and 11,924.66 is: 16,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.95 : 17,390.46 = 11,924.66 : x
  2. Step 2: Convert to fraction form
    12,588.95/17,390.46 = 11,924.66/x
  3. Step 3: Cross multiply
    12,588.95x = 17,390.46 × 11,924.66
  4. Step 4: Simplify right side
    12,588.95x = 207,375,322.74
  5. Step 5: Solve for x
    x = 207,375,322.74/12,588.95
  6. Step 6: Final answer
    x = 16,472.81

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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.