Home / 18,209.02-25,130.85-10,252.80

Finding the Fourth Proportional to 18,209.02, 25,130.85 and 10,252.80

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Solution

The fourth proportional to 18,209.02, 25,130.85 and 10,252.80 is: 14,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.02 : 25,130.85 = 10,252.80 : x
  2. Step 2: Convert to fraction form
    18,209.02/25,130.85 = 10,252.80/x
  3. Step 3: Cross multiply
    18,209.02x = 25,130.85 × 10,252.80
  4. Step 4: Simplify right side
    18,209.02x = 257,661,578.88
  5. Step 5: Solve for x
    x = 257,661,578.88/18,209.02
  6. Step 6: Final answer
    x = 14,150.22

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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.