Home / 25,210.40-37,729.20-23,136.80

Finding the Fourth Proportional to 25,210.40, 37,729.20 and 23,136.80

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Solution

The fourth proportional to 25,210.40, 37,729.20 and 23,136.80 is: 34,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.40 : 37,729.20 = 23,136.80 : x
  2. Step 2: Convert to fraction form
    25,210.40/37,729.20 = 23,136.80/x
  3. Step 3: Cross multiply
    25,210.40x = 37,729.20 × 23,136.80
  4. Step 4: Simplify right side
    25,210.40x = 872,932,954.56
  5. Step 5: Solve for x
    x = 872,932,954.56/25,210.40
  6. Step 6: Final answer
    x = 34,625.91

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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.