Home / 18,766.53-25,897.47-10,383.03

Finding the Fourth Proportional to 18,766.53, 25,897.47 and 10,383.03

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Solution

The fourth proportional to 18,766.53, 25,897.47 and 10,383.03 is: 14,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.53 : 25,897.47 = 10,383.03 : x
  2. Step 2: Convert to fraction form
    18,766.53/25,897.47 = 10,383.03/x
  3. Step 3: Cross multiply
    18,766.53x = 25,897.47 × 10,383.03
  4. Step 4: Simplify right side
    18,766.53x = 268,894,207.93
  5. Step 5: Solve for x
    x = 268,894,207.93/18,766.53
  6. Step 6: Final answer
    x = 14,328.39

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Half scale
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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.