Home / 26,862.42-40,293.58-7,140.98

Finding the Fourth Proportional to 26,862.42, 40,293.58 and 7,140.98

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Solution

The fourth proportional to 26,862.42, 40,293.58 and 7,140.98 is: 10,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.42 : 40,293.58 = 7,140.98 : x
  2. Step 2: Convert to fraction form
    26,862.42/40,293.58 = 7,140.98/x
  3. Step 3: Cross multiply
    26,862.42x = 40,293.58 × 7,140.98
  4. Step 4: Simplify right side
    26,862.42x = 287,735,447.44
  5. Step 5: Solve for x
    x = 287,735,447.44/26,862.42
  6. Step 6: Final answer
    x = 10,711.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.