Home / 18,937.96-26,132.62-10,438.60

Finding the Fourth Proportional to 18,937.96, 26,132.62 and 10,438.60

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Solution

The fourth proportional to 18,937.96, 26,132.62 and 10,438.60 is: 14,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.96 : 26,132.62 = 10,438.60 : x
  2. Step 2: Convert to fraction form
    18,937.96/26,132.62 = 10,438.60/x
  3. Step 3: Cross multiply
    18,937.96x = 26,132.62 × 10,438.60
  4. Step 4: Simplify right side
    18,937.96x = 272,787,967.13
  5. Step 5: Solve for x
    x = 272,787,967.13/18,937.96
  6. Step 6: Final answer
    x = 14,404.30

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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.