Home / 23,175.81-34,776.50-12,645.41

Finding the Fourth Proportional to 23,175.81, 34,776.50 and 12,645.41

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Solution

The fourth proportional to 23,175.81, 34,776.50 and 12,645.41 is: 18,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.81 : 34,776.50 = 12,645.41 : x
  2. Step 2: Convert to fraction form
    23,175.81/34,776.50 = 12,645.41/x
  3. Step 3: Cross multiply
    23,175.81x = 34,776.50 × 12,645.41
  4. Step 4: Simplify right side
    23,175.81x = 439,762,863.76
  5. Step 5: Solve for x
    x = 439,762,863.76/23,175.81
  6. Step 6: Final answer
    x = 18,975.08

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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.