Home / 14,760.84-20,372.13-9,724.26

Finding the Fourth Proportional to 14,760.84, 20,372.13 and 9,724.26

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Solution

The fourth proportional to 14,760.84, 20,372.13 and 9,724.26 is: 13,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.84 : 20,372.13 = 9,724.26 : x
  2. Step 2: Convert to fraction form
    14,760.84/20,372.13 = 9,724.26/x
  3. Step 3: Cross multiply
    14,760.84x = 20,372.13 × 9,724.26
  4. Step 4: Simplify right side
    14,760.84x = 198,103,888.87
  5. Step 5: Solve for x
    x = 198,103,888.87/14,760.84
  6. Step 6: Final answer
    x = 13,420.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.