Home / 18,043.55-24,900.04-10,085.80

Finding the Fourth Proportional to 18,043.55, 24,900.04 and 10,085.80

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Solution

The fourth proportional to 18,043.55, 24,900.04 and 10,085.80 is: 13,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.55 : 24,900.04 = 10,085.80 : x
  2. Step 2: Convert to fraction form
    18,043.55/24,900.04 = 10,085.80/x
  3. Step 3: Cross multiply
    18,043.55x = 24,900.04 × 10,085.80
  4. Step 4: Simplify right side
    18,043.55x = 251,136,823.43
  5. Step 5: Solve for x
    x = 251,136,823.43/18,043.55
  6. Step 6: Final answer
    x = 13,918.37

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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.