Home / 19,518.19-26,938.75-11,134.69

Finding the Fourth Proportional to 19,518.19, 26,938.75 and 11,134.69

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Solution

The fourth proportional to 19,518.19, 26,938.75 and 11,134.69 is: 15,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.19 : 26,938.75 = 11,134.69 : x
  2. Step 2: Convert to fraction form
    19,518.19/26,938.75 = 11,134.69/x
  3. Step 3: Cross multiply
    19,518.19x = 26,938.75 × 11,134.69
  4. Step 4: Simplify right side
    19,518.19x = 299,954,630.24
  5. Step 5: Solve for x
    x = 299,954,630.24/19,518.19
  6. Step 6: Final answer
    x = 15,367.95

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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.