Home / 25,416.96-38,130.53-8,777.60

Finding the Fourth Proportional to 25,416.96, 38,130.53 and 8,777.60

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Solution

The fourth proportional to 25,416.96, 38,130.53 and 8,777.60 is: 13,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.96 : 38,130.53 = 8,777.60 : x
  2. Step 2: Convert to fraction form
    25,416.96/38,130.53 = 8,777.60/x
  3. Step 3: Cross multiply
    25,416.96x = 38,130.53 × 8,777.60
  4. Step 4: Simplify right side
    25,416.96x = 334,694,540.13
  5. Step 5: Solve for x
    x = 334,694,540.13/25,416.96
  6. Step 6: Final answer
    x = 13,168.16

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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.