Home / 19,854.74-27,393.86-12,298.66

Finding the Fourth Proportional to 19,854.74, 27,393.86 and 12,298.66

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Solution

The fourth proportional to 19,854.74, 27,393.86 and 12,298.66 is: 16,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.74 : 27,393.86 = 12,298.66 : x
  2. Step 2: Convert to fraction form
    19,854.74/27,393.86 = 12,298.66/x
  3. Step 3: Cross multiply
    19,854.74x = 27,393.86 × 12,298.66
  4. Step 4: Simplify right side
    19,854.74x = 336,907,770.23
  5. Step 5: Solve for x
    x = 336,907,770.23/19,854.74
  6. Step 6: Final answer
    x = 16,968.63

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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.