Home / 21,983.88-32,981.02-7,193.98

Finding the Fourth Proportional to 21,983.88, 32,981.02 and 7,193.98

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Solution

The fourth proportional to 21,983.88, 32,981.02 and 7,193.98 is: 10,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.88 : 32,981.02 = 7,193.98 : x
  2. Step 2: Convert to fraction form
    21,983.88/32,981.02 = 7,193.98/x
  3. Step 3: Cross multiply
    21,983.88x = 32,981.02 × 7,193.98
  4. Step 4: Simplify right side
    21,983.88x = 237,264,798.26
  5. Step 5: Solve for x
    x = 237,264,798.26/21,983.88
  6. Step 6: Final answer
    x = 10,792.67

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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.