Home / 18,582.08-27,870.72-4,730.24

Finding the Fourth Proportional to 18,582.08, 27,870.72 and 4,730.24

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Solution

The fourth proportional to 18,582.08, 27,870.72 and 4,730.24 is: 7,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.08 : 27,870.72 = 4,730.24 : x
  2. Step 2: Convert to fraction form
    18,582.08/27,870.72 = 4,730.24/x
  3. Step 3: Cross multiply
    18,582.08x = 27,870.72 × 4,730.24
  4. Step 4: Simplify right side
    18,582.08x = 131,835,194.57
  5. Step 5: Solve for x
    x = 131,835,194.57/18,582.08
  6. Step 6: Final answer
    x = 7,094.75

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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.