Home / 18,493.44-25,521.75-10,429.80

Finding the Fourth Proportional to 18,493.44, 25,521.75 and 10,429.80

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Solution

The fourth proportional to 18,493.44, 25,521.75 and 10,429.80 is: 14,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.44 : 25,521.75 = 10,429.80 : x
  2. Step 2: Convert to fraction form
    18,493.44/25,521.75 = 10,429.80/x
  3. Step 3: Cross multiply
    18,493.44x = 25,521.75 × 10,429.80
  4. Step 4: Simplify right side
    18,493.44x = 266,186,748.15
  5. Step 5: Solve for x
    x = 266,186,748.15/18,493.44
  6. Step 6: Final answer
    x = 14,393.58

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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.