Home / 18,416.80-27,612.90-5,762.27

Finding the Fourth Proportional to 18,416.80, 27,612.90 and 5,762.27

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Solution

The fourth proportional to 18,416.80, 27,612.90 and 5,762.27 is: 8,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.80 : 27,612.90 = 5,762.27 : x
  2. Step 2: Convert to fraction form
    18,416.80/27,612.90 = 5,762.27/x
  3. Step 3: Cross multiply
    18,416.80x = 27,612.90 × 5,762.27
  4. Step 4: Simplify right side
    18,416.80x = 159,113,054.32
  5. Step 5: Solve for x
    x = 159,113,054.32/18,416.80
  6. Step 6: Final answer
    x = 8,639.56

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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.