Home / 18,500.16-25,533.06-11,788.72

Finding the Fourth Proportional to 18,500.16, 25,533.06 and 11,788.72

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Solution

The fourth proportional to 18,500.16, 25,533.06 and 11,788.72 is: 16,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.16 : 25,533.06 = 11,788.72 : x
  2. Step 2: Convert to fraction form
    18,500.16/25,533.06 = 11,788.72/x
  3. Step 3: Cross multiply
    18,500.16x = 25,533.06 × 11,788.72
  4. Step 4: Simplify right side
    18,500.16x = 301,002,095.08
  5. Step 5: Solve for x
    x = 301,002,095.08/18,500.16
  6. Step 6: Final answer
    x = 16,270.24

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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.