Home / 18,784.71-25,910.82-14,298.66

Finding the Fourth Proportional to 18,784.71, 25,910.82 and 14,298.66

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Solution

The fourth proportional to 18,784.71, 25,910.82 and 14,298.66 is: 19,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.71 : 25,910.82 = 14,298.66 : x
  2. Step 2: Convert to fraction form
    18,784.71/25,910.82 = 14,298.66/x
  3. Step 3: Cross multiply
    18,784.71x = 25,910.82 × 14,298.66
  4. Step 4: Simplify right side
    18,784.71x = 370,490,005.50
  5. Step 5: Solve for x
    x = 370,490,005.50/18,784.71
  6. Step 6: Final answer
    x = 19,722.96

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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.