Home / 15,987.33-23,981.00-4,894.11

Finding the Fourth Proportional to 15,987.33, 23,981.00 and 4,894.11

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Solution

The fourth proportional to 15,987.33, 23,981.00 and 4,894.11 is: 7,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.33 : 23,981.00 = 4,894.11 : x
  2. Step 2: Convert to fraction form
    15,987.33/23,981.00 = 4,894.11/x
  3. Step 3: Cross multiply
    15,987.33x = 23,981.00 × 4,894.11
  4. Step 4: Simplify right side
    15,987.33x = 117,365,627.44
  5. Step 5: Solve for x
    x = 117,365,627.44/15,987.33
  6. Step 6: Final answer
    x = 7,341.17

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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.