Home / 26,491.86-39,718.65-13,353.46

Finding the Fourth Proportional to 26,491.86, 39,718.65 and 13,353.46

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Solution

The fourth proportional to 26,491.86, 39,718.65 and 13,353.46 is: 20,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.86 : 39,718.65 = 13,353.46 : x
  2. Step 2: Convert to fraction form
    26,491.86/39,718.65 = 13,353.46/x
  3. Step 3: Cross multiply
    26,491.86x = 39,718.65 × 13,353.46
  4. Step 4: Simplify right side
    26,491.86x = 530,381,354.81
  5. Step 5: Solve for x
    x = 530,381,354.81/26,491.86
  6. Step 6: Final answer
    x = 20,020.54

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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.