Home / 15,889.81-23,827.32-5,894.15

Finding the Fourth Proportional to 15,889.81, 23,827.32 and 5,894.15

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Solution

The fourth proportional to 15,889.81, 23,827.32 and 5,894.15 is: 8,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.81 : 23,827.32 = 5,894.15 : x
  2. Step 2: Convert to fraction form
    15,889.81/23,827.32 = 5,894.15/x
  3. Step 3: Cross multiply
    15,889.81x = 23,827.32 × 5,894.15
  4. Step 4: Simplify right side
    15,889.81x = 140,441,798.18
  5. Step 5: Solve for x
    x = 140,441,798.18/15,889.81
  6. Step 6: Final answer
    x = 8,838.48

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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.