Home / 25,458.12-35,132.10-14,280.12

Finding the Fourth Proportional to 25,458.12, 35,132.10 and 14,280.12

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Solution

The fourth proportional to 25,458.12, 35,132.10 and 14,280.12 is: 19,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.12 : 35,132.10 = 14,280.12 : x
  2. Step 2: Convert to fraction form
    25,458.12/35,132.10 = 14,280.12/x
  3. Step 3: Cross multiply
    25,458.12x = 35,132.10 × 14,280.12
  4. Step 4: Simplify right side
    25,458.12x = 501,690,603.85
  5. Step 5: Solve for x
    x = 501,690,603.85/25,458.12
  6. Step 6: Final answer
    x = 19,706.51

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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.