Home / 23,091.19-31,865.19-13,019.54

Finding the Fourth Proportional to 23,091.19, 31,865.19 and 13,019.54

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Solution

The fourth proportional to 23,091.19, 31,865.19 and 13,019.54 is: 17,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091.19 : 31,865.19 = 13,019.54 : x
  2. Step 2: Convert to fraction form
    23,091.19/31,865.19 = 13,019.54/x
  3. Step 3: Cross multiply
    23,091.19x = 31,865.19 × 13,019.54
  4. Step 4: Simplify right side
    23,091.19x = 414,869,956.49
  5. Step 5: Solve for x
    x = 414,869,956.49/23,091.19
  6. Step 6: Final answer
    x = 17,966.59

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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.