Home / 19,818.88-27,349.44-10,866.15

Finding the Fourth Proportional to 19,818.88, 27,349.44 and 10,866.15

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Solution

The fourth proportional to 19,818.88, 27,349.44 and 10,866.15 is: 14,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.88 : 27,349.44 = 10,866.15 : x
  2. Step 2: Convert to fraction form
    19,818.88/27,349.44 = 10,866.15/x
  3. Step 3: Cross multiply
    19,818.88x = 27,349.44 × 10,866.15
  4. Step 4: Simplify right side
    19,818.88x = 297,183,117.46
  5. Step 5: Solve for x
    x = 297,183,117.46/19,818.88
  6. Step 6: Final answer
    x = 14,994.95

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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.