Home / 18,358.02-27,533.16-5,206.86

Finding the Fourth Proportional to 18,358.02, 27,533.16 and 5,206.86

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Solution

The fourth proportional to 18,358.02, 27,533.16 and 5,206.86 is: 7,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.02 : 27,533.16 = 5,206.86 : x
  2. Step 2: Convert to fraction form
    18,358.02/27,533.16 = 5,206.86/x
  3. Step 3: Cross multiply
    18,358.02x = 27,533.16 × 5,206.86
  4. Step 4: Simplify right side
    18,358.02x = 143,361,309.48
  5. Step 5: Solve for x
    x = 143,361,309.48/18,358.02
  6. Step 6: Final answer
    x = 7,809.19

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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.