Home / 15,989.02-23,981.91-4,895.80

Finding the Fourth Proportional to 15,989.02, 23,981.91 and 4,895.80

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Solution

The fourth proportional to 15,989.02, 23,981.91 and 4,895.80 is: 7,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.02 : 23,981.91 = 4,895.80 : x
  2. Step 2: Convert to fraction form
    15,989.02/23,981.91 = 4,895.80/x
  3. Step 3: Cross multiply
    15,989.02x = 23,981.91 × 4,895.80
  4. Step 4: Simplify right side
    15,989.02x = 117,410,634.98
  5. Step 5: Solve for x
    x = 117,410,634.98/15,989.02
  6. Step 6: Final answer
    x = 7,343.20

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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.