Home / 25,648.18-35,391.29-14,318.30

Finding the Fourth Proportional to 25,648.18, 35,391.29 and 14,318.30

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Solution

The fourth proportional to 25,648.18, 35,391.29 and 14,318.30 is: 19,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.18 : 35,391.29 = 14,318.30 : x
  2. Step 2: Convert to fraction form
    25,648.18/35,391.29 = 14,318.30/x
  3. Step 3: Cross multiply
    25,648.18x = 35,391.29 × 14,318.30
  4. Step 4: Simplify right side
    25,648.18x = 506,743,124.49
  5. Step 5: Solve for x
    x = 506,743,124.49/25,648.18
  6. Step 6: Final answer
    x = 19,757.47

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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.