Home / 23,389.18-32,277.03-12,778.81

Finding the Fourth Proportional to 23,389.18, 32,277.03 and 12,778.81

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Solution

The fourth proportional to 23,389.18, 32,277.03 and 12,778.81 is: 17,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.18 : 32,277.03 = 12,778.81 : x
  2. Step 2: Convert to fraction form
    23,389.18/32,277.03 = 12,778.81/x
  3. Step 3: Cross multiply
    23,389.18x = 32,277.03 × 12,778.81
  4. Step 4: Simplify right side
    23,389.18x = 412,462,033.73
  5. Step 5: Solve for x
    x = 412,462,033.73/23,389.18
  6. Step 6: Final answer
    x = 17,634.74

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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.