Home / 15,937.81-23,890.57-8,016.39

Finding the Fourth Proportional to 15,937.81, 23,890.57 and 8,016.39

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Solution

The fourth proportional to 15,937.81, 23,890.57 and 8,016.39 is: 12,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.81 : 23,890.57 = 8,016.39 : x
  2. Step 2: Convert to fraction form
    15,937.81/23,890.57 = 8,016.39/x
  3. Step 3: Cross multiply
    15,937.81x = 23,890.57 × 8,016.39
  4. Step 4: Simplify right side
    15,937.81x = 191,516,126.44
  5. Step 5: Solve for x
    x = 191,516,126.44/15,937.81
  6. Step 6: Final answer
    x = 12,016.46

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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.