Home / 25,148.16-37,664.82-12,009.78

Finding the Fourth Proportional to 25,148.16, 37,664.82 and 12,009.78

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Solution

The fourth proportional to 25,148.16, 37,664.82 and 12,009.78 is: 17,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.16 : 37,664.82 = 12,009.78 : x
  2. Step 2: Convert to fraction form
    25,148.16/37,664.82 = 12,009.78/x
  3. Step 3: Cross multiply
    25,148.16x = 37,664.82 × 12,009.78
  4. Step 4: Simplify right side
    25,148.16x = 452,346,201.94
  5. Step 5: Solve for x
    x = 452,346,201.94/25,148.16
  6. Step 6: Final answer
    x = 17,987.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.