Home / 20,052.33-27,663.03-12,981.03

Finding the Fourth Proportional to 20,052.33, 27,663.03 and 12,981.03

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Solution

The fourth proportional to 20,052.33, 27,663.03 and 12,981.03 is: 17,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.33 : 27,663.03 = 12,981.03 : x
  2. Step 2: Convert to fraction form
    20,052.33/27,663.03 = 12,981.03/x
  3. Step 3: Cross multiply
    20,052.33x = 27,663.03 × 12,981.03
  4. Step 4: Simplify right side
    20,052.33x = 359,094,622.32
  5. Step 5: Solve for x
    x = 359,094,622.32/20,052.33
  6. Step 6: Final answer
    x = 17,907.88

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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.