Home / 18,948.64-26,147.96-10,450.84

Finding the Fourth Proportional to 18,948.64, 26,147.96 and 10,450.84

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Solution

The fourth proportional to 18,948.64, 26,147.96 and 10,450.84 is: 14,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.64 : 26,147.96 = 10,450.84 : x
  2. Step 2: Convert to fraction form
    18,948.64/26,147.96 = 10,450.84/x
  3. Step 3: Cross multiply
    18,948.64x = 26,147.96 × 10,450.84
  4. Step 4: Simplify right side
    18,948.64x = 273,268,146.29
  5. Step 5: Solve for x
    x = 273,268,146.29/18,948.64
  6. Step 6: Final answer
    x = 14,421.52

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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.