Home / 19,583.24-29,312.89-12,553.85

Finding the Fourth Proportional to 19,583.24, 29,312.89 and 12,553.85

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Solution

The fourth proportional to 19,583.24, 29,312.89 and 12,553.85 is: 18,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.24 : 29,312.89 = 12,553.85 : x
  2. Step 2: Convert to fraction form
    19,583.24/29,312.89 = 12,553.85/x
  3. Step 3: Cross multiply
    19,583.24x = 29,312.89 × 12,553.85
  4. Step 4: Simplify right side
    19,583.24x = 367,989,666.02
  5. Step 5: Solve for x
    x = 367,989,666.02/19,583.24
  6. Step 6: Final answer
    x = 18,791.06

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1.5x scale

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.