Home / 18,513.02-27,768.18-7,416.56

Finding the Fourth Proportional to 18,513.02, 27,768.18 and 7,416.56

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Solution

The fourth proportional to 18,513.02, 27,768.18 and 7,416.56 is: 11,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.02 : 27,768.18 = 7,416.56 : x
  2. Step 2: Convert to fraction form
    18,513.02/27,768.18 = 7,416.56/x
  3. Step 3: Cross multiply
    18,513.02x = 27,768.18 × 7,416.56
  4. Step 4: Simplify right side
    18,513.02x = 205,944,373.06
  5. Step 5: Solve for x
    x = 205,944,373.06/18,513.02
  6. Step 6: Final answer
    x = 11,124.30

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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.