Home / 38,018.64-57,033.60-13,065.12

Finding the Fourth Proportional to 38,018.64, 57,033.60 and 13,065.12

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Solution

The fourth proportional to 38,018.64, 57,033.60 and 13,065.12 is: 19,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.64 : 57,033.60 = 13,065.12 : x
  2. Step 2: Convert to fraction form
    38,018.64/57,033.60 = 13,065.12/x
  3. Step 3: Cross multiply
    38,018.64x = 57,033.60 × 13,065.12
  4. Step 4: Simplify right side
    38,018.64x = 745,150,828.03
  5. Step 5: Solve for x
    x = 745,150,828.03/38,018.64
  6. Step 6: Final answer
    x = 19,599.62

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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.