Home / 18,930.51-26,106.38-14,961.11

Finding the Fourth Proportional to 18,930.51, 26,106.38 and 14,961.11

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Solution

The fourth proportional to 18,930.51, 26,106.38 and 14,961.11 is: 20,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.51 : 26,106.38 = 14,961.11 : x
  2. Step 2: Convert to fraction form
    18,930.51/26,106.38 = 14,961.11/x
  3. Step 3: Cross multiply
    18,930.51x = 26,106.38 × 14,961.11
  4. Step 4: Simplify right side
    18,930.51x = 390,580,217.54
  5. Step 5: Solve for x
    x = 390,580,217.54/18,930.51
  6. Step 6: Final answer
    x = 20,632.31

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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.