Home / 27,132.81-37,443.79-15,196.12

Finding the Fourth Proportional to 27,132.81, 37,443.79 and 15,196.12

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Solution

The fourth proportional to 27,132.81, 37,443.79 and 15,196.12 is: 20,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.81 : 37,443.79 = 15,196.12 : x
  2. Step 2: Convert to fraction form
    27,132.81/37,443.79 = 15,196.12/x
  3. Step 3: Cross multiply
    27,132.81x = 37,443.79 × 15,196.12
  4. Step 4: Simplify right side
    27,132.81x = 569,000,346.87
  5. Step 5: Solve for x
    x = 569,000,346.87/27,132.81
  6. Step 6: Final answer
    x = 20,970.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.