Home / 13,050.78-19,532.84-11,883.47

Finding the Fourth Proportional to 13,050.78, 19,532.84 and 11,883.47

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Solution

The fourth proportional to 13,050.78, 19,532.84 and 11,883.47 is: 17,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.78 : 19,532.84 = 11,883.47 : x
  2. Step 2: Convert to fraction form
    13,050.78/19,532.84 = 11,883.47/x
  3. Step 3: Cross multiply
    13,050.78x = 19,532.84 × 11,883.47
  4. Step 4: Simplify right side
    13,050.78x = 232,117,918.15
  5. Step 5: Solve for x
    x = 232,117,918.15/13,050.78
  6. Step 6: Final answer
    x = 17,785.75

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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.