Home / 18,942.60-26,140.98-10,445.03

Finding the Fourth Proportional to 18,942.60, 26,140.98 and 10,445.03

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Solution

The fourth proportional to 18,942.60, 26,140.98 and 10,445.03 is: 14,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.60 : 26,140.98 = 10,445.03 : x
  2. Step 2: Convert to fraction form
    18,942.60/26,140.98 = 10,445.03/x
  3. Step 3: Cross multiply
    18,942.60x = 26,140.98 × 10,445.03
  4. Step 4: Simplify right side
    18,942.60x = 273,043,326.82
  5. Step 5: Solve for x
    x = 273,043,326.82/18,942.60
  6. Step 6: Final answer
    x = 14,414.24

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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.