Home / 19,403.16-29,110.10-7,724.58

Finding the Fourth Proportional to 19,403.16, 29,110.10 and 7,724.58

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Solution

The fourth proportional to 19,403.16, 29,110.10 and 7,724.58 is: 11,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.16 : 29,110.10 = 7,724.58 : x
  2. Step 2: Convert to fraction form
    19,403.16/29,110.10 = 7,724.58/x
  3. Step 3: Cross multiply
    19,403.16x = 29,110.10 × 7,724.58
  4. Step 4: Simplify right side
    19,403.16x = 224,863,257.64
  5. Step 5: Solve for x
    x = 224,863,257.64/19,403.16
  6. Step 6: Final answer
    x = 11,589.00

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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.