Home / 18,550.58-25,600.27-11,384.45

Finding the Fourth Proportional to 18,550.58, 25,600.27 and 11,384.45

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Solution

The fourth proportional to 18,550.58, 25,600.27 and 11,384.45 is: 15,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.58 : 25,600.27 = 11,384.45 : x
  2. Step 2: Convert to fraction form
    18,550.58/25,600.27 = 11,384.45/x
  3. Step 3: Cross multiply
    18,550.58x = 25,600.27 × 11,384.45
  4. Step 4: Simplify right side
    18,550.58x = 291,445,029.34
  5. Step 5: Solve for x
    x = 291,445,029.34/18,550.58
  6. Step 6: Final answer
    x = 15,710.84

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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.