Home / 23,421.53-32,321.97-12,810.94

Finding the Fourth Proportional to 23,421.53, 32,321.97 and 12,810.94

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Solution

The fourth proportional to 23,421.53, 32,321.97 and 12,810.94 is: 17,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.53 : 32,321.97 = 12,810.94 : x
  2. Step 2: Convert to fraction form
    23,421.53/32,321.97 = 12,810.94/x
  3. Step 3: Cross multiply
    23,421.53x = 32,321.97 × 12,810.94
  4. Step 4: Simplify right side
    23,421.53x = 414,074,737.55
  5. Step 5: Solve for x
    x = 414,074,737.55/23,421.53
  6. Step 6: Final answer
    x = 17,679.23

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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.