Home / 15,931.11-23,896.53-4,084.86

Finding the Fourth Proportional to 15,931.11, 23,896.53 and 4,084.86

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Solution

The fourth proportional to 15,931.11, 23,896.53 and 4,084.86 is: 6,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.11 : 23,896.53 = 4,084.86 : x
  2. Step 2: Convert to fraction form
    15,931.11/23,896.53 = 4,084.86/x
  3. Step 3: Cross multiply
    15,931.11x = 23,896.53 × 4,084.86
  4. Step 4: Simplify right side
    15,931.11x = 97,613,979.54
  5. Step 5: Solve for x
    x = 97,613,979.54/15,931.11
  6. Step 6: Final answer
    x = 6,127.26

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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.