Home / 38,263.36-57,386.84-11,964.69

Finding the Fourth Proportional to 38,263.36, 57,386.84 and 11,964.69

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Solution

The fourth proportional to 38,263.36, 57,386.84 and 11,964.69 is: 17,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263.36 : 57,386.84 = 11,964.69 : x
  2. Step 2: Convert to fraction form
    38,263.36/57,386.84 = 11,964.69/x
  3. Step 3: Cross multiply
    38,263.36x = 57,386.84 × 11,964.69
  4. Step 4: Simplify right side
    38,263.36x = 686,615,750.68
  5. Step 5: Solve for x
    x = 686,615,750.68/38,263.36
  6. Step 6: Final answer
    x = 17,944.47

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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.