Home / 25,431.96-35,099.10-14,251.80

Finding the Fourth Proportional to 25,431.96, 35,099.10 and 14,251.80

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Solution

The fourth proportional to 25,431.96, 35,099.10 and 14,251.80 is: 19,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.96 : 35,099.10 = 14,251.80 : x
  2. Step 2: Convert to fraction form
    25,431.96/35,099.10 = 14,251.80/x
  3. Step 3: Cross multiply
    25,431.96x = 35,099.10 × 14,251.80
  4. Step 4: Simplify right side
    25,431.96x = 500,225,353.38
  5. Step 5: Solve for x
    x = 500,225,353.38/25,431.96
  6. Step 6: Final answer
    x = 19,669.16

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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.