Home / 18,724.04-28,085.98-4,873

Finding the Fourth Proportional to 18,724.04, 28,085.98 and 4,873

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Solution

The fourth proportional to 18,724.04, 28,085.98 and 4,873 is: 7,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.04 : 28,085.98 = 4,873 : x
  2. Step 2: Convert to fraction form
    18,724.04/28,085.98 = 4,873/x
  3. Step 3: Cross multiply
    18,724.04x = 28,085.98 × 4,873
  4. Step 4: Simplify right side
    18,724.04x = 136,862,980.54
  5. Step 5: Solve for x
    x = 136,862,980.54/18,724.04
  6. Step 6: Final answer
    x = 7,309.48

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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.