Home / 25,131.58-37,699.17-7,602.78

Finding the Fourth Proportional to 25,131.58, 37,699.17 and 7,602.78

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Solution

The fourth proportional to 25,131.58, 37,699.17 and 7,602.78 is: 11,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.58 : 37,699.17 = 7,602.78 : x
  2. Step 2: Convert to fraction form
    25,131.58/37,699.17 = 7,602.78/x
  3. Step 3: Cross multiply
    25,131.58x = 37,699.17 × 7,602.78
  4. Step 4: Simplify right side
    25,131.58x = 286,618,307.20
  5. Step 5: Solve for x
    x = 286,618,307.20/25,131.58
  6. Step 6: Final answer
    x = 11,404.71

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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.