Home / 19,608.06-27,063.90-12,902.88

Finding the Fourth Proportional to 19,608.06, 27,063.90 and 12,902.88

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Solution

The fourth proportional to 19,608.06, 27,063.90 and 12,902.88 is: 17,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.06 : 27,063.90 = 12,902.88 : x
  2. Step 2: Convert to fraction form
    19,608.06/27,063.90 = 12,902.88/x
  3. Step 3: Cross multiply
    19,608.06x = 27,063.90 × 12,902.88
  4. Step 4: Simplify right side
    19,608.06x = 349,202,254.03
  5. Step 5: Solve for x
    x = 349,202,254.03/19,608.06
  6. Step 6: Final answer
    x = 17,809.12

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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.