Home / 19,625.40-29,439.42-6,486.99

Finding the Fourth Proportional to 19,625.40, 29,439.42 and 6,486.99

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Solution

The fourth proportional to 19,625.40, 29,439.42 and 6,486.99 is: 9,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.40 : 29,439.42 = 6,486.99 : x
  2. Step 2: Convert to fraction form
    19,625.40/29,439.42 = 6,486.99/x
  3. Step 3: Cross multiply
    19,625.40x = 29,439.42 × 6,486.99
  4. Step 4: Simplify right side
    19,625.40x = 190,973,223.15
  5. Step 5: Solve for x
    x = 190,973,223.15/19,625.40
  6. Step 6: Final answer
    x = 9,730.92

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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.