Home / 19,116.58-26,381.75-10,618.73

Finding the Fourth Proportional to 19,116.58, 26,381.75 and 10,618.73

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Solution

The fourth proportional to 19,116.58, 26,381.75 and 10,618.73 is: 14,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.58 : 26,381.75 = 10,618.73 : x
  2. Step 2: Convert to fraction form
    19,116.58/26,381.75 = 10,618.73/x
  3. Step 3: Cross multiply
    19,116.58x = 26,381.75 × 10,618.73
  4. Step 4: Simplify right side
    19,116.58x = 280,140,680.18
  5. Step 5: Solve for x
    x = 280,140,680.18/19,116.58
  6. Step 6: Final answer
    x = 14,654.33

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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.