Home / 18,088.02-27,121.56-5,604.72

Finding the Fourth Proportional to 18,088.02, 27,121.56 and 5,604.72

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Solution

The fourth proportional to 18,088.02, 27,121.56 and 5,604.72 is: 8,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.02 : 27,121.56 = 5,604.72 : x
  2. Step 2: Convert to fraction form
    18,088.02/27,121.56 = 5,604.72/x
  3. Step 3: Cross multiply
    18,088.02x = 27,121.56 × 5,604.72
  4. Step 4: Simplify right side
    18,088.02x = 152,008,749.76
  5. Step 5: Solve for x
    x = 152,008,749.76/18,088.02
  6. Step 6: Final answer
    x = 8,403.84

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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.