Home / 18,582.84-27,867.28-7,485.76

Finding the Fourth Proportional to 18,582.84, 27,867.28 and 7,485.76

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Solution

The fourth proportional to 18,582.84, 27,867.28 and 7,485.76 is: 11,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.84 : 27,867.28 = 7,485.76 : x
  2. Step 2: Convert to fraction form
    18,582.84/27,867.28 = 7,485.76/x
  3. Step 3: Cross multiply
    18,582.84x = 27,867.28 × 7,485.76
  4. Step 4: Simplify right side
    18,582.84x = 208,607,769.93
  5. Step 5: Solve for x
    x = 208,607,769.93/18,582.84
  6. Step 6: Final answer
    x = 11,225.83

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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.