Home / 25,416.24-38,126.04-8,777.88

Finding the Fourth Proportional to 25,416.24, 38,126.04 and 8,777.88

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Solution

The fourth proportional to 25,416.24, 38,126.04 and 8,777.88 is: 13,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.24 : 38,126.04 = 8,777.88 : x
  2. Step 2: Convert to fraction form
    25,416.24/38,126.04 = 8,777.88/x
  3. Step 3: Cross multiply
    25,416.24x = 38,126.04 × 8,777.88
  4. Step 4: Simplify right side
    25,416.24x = 334,665,804.00
  5. Step 5: Solve for x
    x = 334,665,804.00/25,416.24
  6. Step 6: Final answer
    x = 13,167.40

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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.