Home / 18,205.02-25,125.32-10,248.80

Finding the Fourth Proportional to 18,205.02, 25,125.32 and 10,248.80

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Solution

The fourth proportional to 18,205.02, 25,125.32 and 10,248.80 is: 14,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.02 : 25,125.32 = 10,248.80 : x
  2. Step 2: Convert to fraction form
    18,205.02/25,125.32 = 10,248.80/x
  3. Step 3: Cross multiply
    18,205.02x = 25,125.32 × 10,248.80
  4. Step 4: Simplify right side
    18,205.02x = 257,504,279.61
  5. Step 5: Solve for x
    x = 257,504,279.61/18,205.02
  6. Step 6: Final answer
    x = 14,144.69

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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.