Home / 19,631.46-27,091.60-10,679.16

Finding the Fourth Proportional to 19,631.46, 27,091.60 and 10,679.16

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Solution

The fourth proportional to 19,631.46, 27,091.60 and 10,679.16 is: 14,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.46 : 27,091.60 = 10,679.16 : x
  2. Step 2: Convert to fraction form
    19,631.46/27,091.60 = 10,679.16/x
  3. Step 3: Cross multiply
    19,631.46x = 27,091.60 × 10,679.16
  4. Step 4: Simplify right side
    19,631.46x = 289,315,531.06
  5. Step 5: Solve for x
    x = 289,315,531.06/19,631.46
  6. Step 6: Final answer
    x = 14,737.34

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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.