Home / 39,971.14-59,956.89-10,386.88

Finding the Fourth Proportional to 39,971.14, 59,956.89 and 10,386.88

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Solution

The fourth proportional to 39,971.14, 59,956.89 and 10,386.88 is: 15,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.14 : 59,956.89 = 10,386.88 : x
  2. Step 2: Convert to fraction form
    39,971.14/59,956.89 = 10,386.88/x
  3. Step 3: Cross multiply
    39,971.14x = 59,956.89 × 10,386.88
  4. Step 4: Simplify right side
    39,971.14x = 622,765,021.60
  5. Step 5: Solve for x
    x = 622,765,021.60/39,971.14
  6. Step 6: Final answer
    x = 15,580.37

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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.