Home / 26,822.81-40,169.46-13,453.76

Finding the Fourth Proportional to 26,822.81, 40,169.46 and 13,453.76

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Solution

The fourth proportional to 26,822.81, 40,169.46 and 13,453.76 is: 20,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.81 : 40,169.46 = 13,453.76 : x
  2. Step 2: Convert to fraction form
    26,822.81/40,169.46 = 13,453.76/x
  3. Step 3: Cross multiply
    26,822.81x = 40,169.46 × 13,453.76
  4. Step 4: Simplify right side
    26,822.81x = 540,430,274.17
  5. Step 5: Solve for x
    x = 540,430,274.17/26,822.81
  6. Step 6: Final answer
    x = 20,148.16

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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.