Home / 25,187.64-37,748.60-10,381.66

Finding the Fourth Proportional to 25,187.64, 37,748.60 and 10,381.66

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Solution

The fourth proportional to 25,187.64, 37,748.60 and 10,381.66 is: 15,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.64 : 37,748.60 = 10,381.66 : x
  2. Step 2: Convert to fraction form
    25,187.64/37,748.60 = 10,381.66/x
  3. Step 3: Cross multiply
    25,187.64x = 37,748.60 × 10,381.66
  4. Step 4: Simplify right side
    25,187.64x = 391,893,130.68
  5. Step 5: Solve for x
    x = 391,893,130.68/25,187.64
  6. Step 6: Final answer
    x = 15,558.95

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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.