Home / 15,988.41-23,981.60-4,894.04

Finding the Fourth Proportional to 15,988.41, 23,981.60 and 4,894.04

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Solution

The fourth proportional to 15,988.41, 23,981.60 and 4,894.04 is: 7,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.41 : 23,981.60 = 4,894.04 : x
  2. Step 2: Convert to fraction form
    15,988.41/23,981.60 = 4,894.04/x
  3. Step 3: Cross multiply
    15,988.41x = 23,981.60 × 4,894.04
  4. Step 4: Simplify right side
    15,988.41x = 117,366,981.85
  5. Step 5: Solve for x
    x = 117,366,981.85/15,988.41
  6. Step 6: Final answer
    x = 7,340.75

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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.