Home / 25,429.44-35,091.12-14,251.20

Finding the Fourth Proportional to 25,429.44, 35,091.12 and 14,251.20

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Solution

The fourth proportional to 25,429.44, 35,091.12 and 14,251.20 is: 19,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.44 : 35,091.12 = 14,251.20 : x
  2. Step 2: Convert to fraction form
    25,429.44/35,091.12 = 14,251.20/x
  3. Step 3: Cross multiply
    25,429.44x = 35,091.12 × 14,251.20
  4. Step 4: Simplify right side
    25,429.44x = 500,090,569.34
  5. Step 5: Solve for x
    x = 500,090,569.34/25,429.44
  6. Step 6: Final answer
    x = 19,665.81

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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.