Home / 23,438.81-35,162.91-8,647.80

Finding the Fourth Proportional to 23,438.81, 35,162.91 and 8,647.80

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Solution

The fourth proportional to 23,438.81, 35,162.91 and 8,647.80 is: 12,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.81 : 35,162.91 = 8,647.80 : x
  2. Step 2: Convert to fraction form
    23,438.81/35,162.91 = 8,647.80/x
  3. Step 3: Cross multiply
    23,438.81x = 35,162.91 × 8,647.80
  4. Step 4: Simplify right side
    23,438.81x = 304,081,813.10
  5. Step 5: Solve for x
    x = 304,081,813.10/23,438.81
  6. Step 6: Final answer
    x = 12,973.43

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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.