Home / 20,599.34-30,634-19,943.24

Finding the Fourth Proportional to 20,599.34, 30,634 and 19,943.24

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Solution

The fourth proportional to 20,599.34, 30,634 and 19,943.24 is: 29,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.34 : 30,634 = 19,943.24 : x
  2. Step 2: Convert to fraction form
    20,599.34/30,634 = 19,943.24/x
  3. Step 3: Cross multiply
    20,599.34x = 30,634 × 19,943.24
  4. Step 4: Simplify right side
    20,599.34x = 610,941,214.16
  5. Step 5: Solve for x
    x = 610,941,214.16/20,599.34
  6. Step 6: Final answer
    x = 29,658.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.