Home / 25,108.79-37,661.35-11,784.82

Finding the Fourth Proportional to 25,108.79, 37,661.35 and 11,784.82

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Solution

The fourth proportional to 25,108.79, 37,661.35 and 11,784.82 is: 17,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.79 : 37,661.35 = 11,784.82 : x
  2. Step 2: Convert to fraction form
    25,108.79/37,661.35 = 11,784.82/x
  3. Step 3: Cross multiply
    25,108.79x = 37,661.35 × 11,784.82
  4. Step 4: Simplify right side
    25,108.79x = 443,832,230.71
  5. Step 5: Solve for x
    x = 443,832,230.71/25,108.79
  6. Step 6: Final answer
    x = 17,676.37

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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.