Home / 25,090.11-37,637.78-8,451.99

Finding the Fourth Proportional to 25,090.11, 37,637.78 and 8,451.99

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Solution

The fourth proportional to 25,090.11, 37,637.78 and 8,451.99 is: 12,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.11 : 37,637.78 = 8,451.99 : x
  2. Step 2: Convert to fraction form
    25,090.11/37,637.78 = 8,451.99/x
  3. Step 3: Cross multiply
    25,090.11x = 37,637.78 × 8,451.99
  4. Step 4: Simplify right side
    25,090.11x = 318,114,097.92
  5. Step 5: Solve for x
    x = 318,114,097.92/25,090.11
  6. Step 6: Final answer
    x = 12,678.86

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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.