Home / 29,775.76-44,667.16-13,128.72

Finding the Fourth Proportional to 29,775.76, 44,667.16 and 13,128.72

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Solution

The fourth proportional to 29,775.76, 44,667.16 and 13,128.72 is: 19,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,775.76 : 44,667.16 = 13,128.72 : x
  2. Step 2: Convert to fraction form
    29,775.76/44,667.16 = 13,128.72/x
  3. Step 3: Cross multiply
    29,775.76x = 44,667.16 × 13,128.72
  4. Step 4: Simplify right side
    29,775.76x = 586,422,636.84
  5. Step 5: Solve for x
    x = 586,422,636.84/29,775.76
  6. Step 6: Final answer
    x = 19,694.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.