Home / 18,948.35-26,147.51-10,450.54

Finding the Fourth Proportional to 18,948.35, 26,147.51 and 10,450.54

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Solution

The fourth proportional to 18,948.35, 26,147.51 and 10,450.54 is: 14,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.35 : 26,147.51 = 10,450.54 : x
  2. Step 2: Convert to fraction form
    18,948.35/26,147.51 = 10,450.54/x
  3. Step 3: Cross multiply
    18,948.35x = 26,147.51 × 10,450.54
  4. Step 4: Simplify right side
    18,948.35x = 273,255,471.70
  5. Step 5: Solve for x
    x = 273,255,471.70/18,948.35
  6. Step 6: Final answer
    x = 14,421.07

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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.