Home / 26,749.20-40,148.46-13,611

Finding the Fourth Proportional to 26,749.20, 40,148.46 and 13,611

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Solution

The fourth proportional to 26,749.20, 40,148.46 and 13,611 is: 20,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.20 : 40,148.46 = 13,611 : x
  2. Step 2: Convert to fraction form
    26,749.20/40,148.46 = 13,611/x
  3. Step 3: Cross multiply
    26,749.20x = 40,148.46 × 13,611
  4. Step 4: Simplify right side
    26,749.20x = 546,460,689.06
  5. Step 5: Solve for x
    x = 546,460,689.06/26,749.20
  6. Step 6: Final answer
    x = 20,429.05

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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.