Home / 18,319.30-25,272.61-10,762.22

Finding the Fourth Proportional to 18,319.30, 25,272.61 and 10,762.22

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Solution

The fourth proportional to 18,319.30, 25,272.61 and 10,762.22 is: 14,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.30 : 25,272.61 = 10,762.22 : x
  2. Step 2: Convert to fraction form
    18,319.30/25,272.61 = 10,762.22/x
  3. Step 3: Cross multiply
    18,319.30x = 25,272.61 × 10,762.22
  4. Step 4: Simplify right side
    18,319.30x = 271,989,388.79
  5. Step 5: Solve for x
    x = 271,989,388.79/18,319.30
  6. Step 6: Final answer
    x = 14,847.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.