Home / 19,984.92-27,603.72-14,971.56

Finding the Fourth Proportional to 19,984.92, 27,603.72 and 14,971.56

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Solution

The fourth proportional to 19,984.92, 27,603.72 and 14,971.56 is: 20,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.92 : 27,603.72 = 14,971.56 : x
  2. Step 2: Convert to fraction form
    19,984.92/27,603.72 = 14,971.56/x
  3. Step 3: Cross multiply
    19,984.92x = 27,603.72 × 14,971.56
  4. Step 4: Simplify right side
    19,984.92x = 413,270,750.20
  5. Step 5: Solve for x
    x = 413,270,750.20/19,984.92
  6. Step 6: Final answer
    x = 20,679.13

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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.