Home / 19,551.90-29,329.46-6,403.98

Finding the Fourth Proportional to 19,551.90, 29,329.46 and 6,403.98

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Solution

The fourth proportional to 19,551.90, 29,329.46 and 6,403.98 is: 9,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.90 : 29,329.46 = 6,403.98 : x
  2. Step 2: Convert to fraction form
    19,551.90/29,329.46 = 6,403.98/x
  3. Step 3: Cross multiply
    19,551.90x = 29,329.46 × 6,403.98
  4. Step 4: Simplify right side
    19,551.90x = 187,825,275.25
  5. Step 5: Solve for x
    x = 187,825,275.25/19,551.90
  6. Step 6: Final answer
    x = 9,606.50

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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.