Home / 19,110.39-26,375.04-11,152.95

Finding the Fourth Proportional to 19,110.39, 26,375.04 and 11,152.95

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Solution

The fourth proportional to 19,110.39, 26,375.04 and 11,152.95 is: 15,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.39 : 26,375.04 = 11,152.95 : x
  2. Step 2: Convert to fraction form
    19,110.39/26,375.04 = 11,152.95/x
  3. Step 3: Cross multiply
    19,110.39x = 26,375.04 × 11,152.95
  4. Step 4: Simplify right side
    19,110.39x = 294,159,502.37
  5. Step 5: Solve for x
    x = 294,159,502.37/19,110.39
  6. Step 6: Final answer
    x = 15,392.65

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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.