Home / 18,216.00-25,137.86-10,666.24

Finding the Fourth Proportional to 18,216.00, 25,137.86 and 10,666.24

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Solution

The fourth proportional to 18,216.00, 25,137.86 and 10,666.24 is: 14,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.00 : 25,137.86 = 10,666.24 : x
  2. Step 2: Convert to fraction form
    18,216.00/25,137.86 = 10,666.24/x
  3. Step 3: Cross multiply
    18,216.00x = 25,137.86 × 10,666.24
  4. Step 4: Simplify right side
    18,216.00x = 268,126,364.35
  5. Step 5: Solve for x
    x = 268,126,364.35/18,216.00
  6. Step 6: Final answer
    x = 14,719.28

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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.