Home / 36,386.60-54,546.90-13,007.60

Finding the Fourth Proportional to 36,386.60, 54,546.90 and 13,007.60

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Solution

The fourth proportional to 36,386.60, 54,546.90 and 13,007.60 is: 19,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.60 : 54,546.90 = 13,007.60 : x
  2. Step 2: Convert to fraction form
    36,386.60/54,546.90 = 13,007.60/x
  3. Step 3: Cross multiply
    36,386.60x = 54,546.90 × 13,007.60
  4. Step 4: Simplify right side
    36,386.60x = 709,524,256.44
  5. Step 5: Solve for x
    x = 709,524,256.44/36,386.60
  6. Step 6: Final answer
    x = 19,499.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.