Home / 25,428.08-35,082.60-14,671.28

Finding the Fourth Proportional to 25,428.08, 35,082.60 and 14,671.28

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Solution

The fourth proportional to 25,428.08, 35,082.60 and 14,671.28 is: 20,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.08 : 35,082.60 = 14,671.28 : x
  2. Step 2: Convert to fraction form
    25,428.08/35,082.60 = 14,671.28/x
  3. Step 3: Cross multiply
    25,428.08x = 35,082.60 × 14,671.28
  4. Step 4: Simplify right side
    25,428.08x = 514,706,647.73
  5. Step 5: Solve for x
    x = 514,706,647.73/25,428.08
  6. Step 6: Final answer
    x = 20,241.66

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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.