Home / 15,983.84-23,975.76-4,890.56

Finding the Fourth Proportional to 15,983.84, 23,975.76 and 4,890.56

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Solution

The fourth proportional to 15,983.84, 23,975.76 and 4,890.56 is: 7,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.84 : 23,975.76 = 4,890.56 : x
  2. Step 2: Convert to fraction form
    15,983.84/23,975.76 = 4,890.56/x
  3. Step 3: Cross multiply
    15,983.84x = 23,975.76 × 4,890.56
  4. Step 4: Simplify right side
    15,983.84x = 117,254,892.83
  5. Step 5: Solve for x
    x = 117,254,892.83/15,983.84
  6. Step 6: Final answer
    x = 7,335.84

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Double scale
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Similar ratio
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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.