Home / 25,416.46-38,129.78-8,777.10

Finding the Fourth Proportional to 25,416.46, 38,129.78 and 8,777.10

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Solution

The fourth proportional to 25,416.46, 38,129.78 and 8,777.10 is: 13,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.46 : 38,129.78 = 8,777.10 : x
  2. Step 2: Convert to fraction form
    25,416.46/38,129.78 = 8,777.10/x
  3. Step 3: Cross multiply
    25,416.46x = 38,129.78 × 8,777.10
  4. Step 4: Simplify right side
    25,416.46x = 334,668,892.04
  5. Step 5: Solve for x
    x = 334,668,892.04/25,416.46
  6. Step 6: Final answer
    x = 13,167.41

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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.