Home / 25,417.48-35,045.62-21,874.60

Finding the Fourth Proportional to 25,417.48, 35,045.62 and 21,874.60

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Solution

The fourth proportional to 25,417.48, 35,045.62 and 21,874.60 is: 30,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.48 : 35,045.62 = 21,874.60 : x
  2. Step 2: Convert to fraction form
    25,417.48/35,045.62 = 21,874.60/x
  3. Step 3: Cross multiply
    25,417.48x = 35,045.62 × 21,874.60
  4. Step 4: Simplify right side
    25,417.48x = 766,608,919.25
  5. Step 5: Solve for x
    x = 766,608,919.25/25,417.48
  6. Step 6: Final answer
    x = 30,160.70

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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.