Home / 19,611.55-29,417.19-6,464.98

Finding the Fourth Proportional to 19,611.55, 29,417.19 and 6,464.98

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Solution

The fourth proportional to 19,611.55, 29,417.19 and 6,464.98 is: 9,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.55 : 29,417.19 = 6,464.98 : x
  2. Step 2: Convert to fraction form
    19,611.55/29,417.19 = 6,464.98/x
  3. Step 3: Cross multiply
    19,611.55x = 29,417.19 × 6,464.98
  4. Step 4: Simplify right side
    19,611.55x = 190,181,545.01
  5. Step 5: Solve for x
    x = 190,181,545.01/19,611.55
  6. Step 6: Final answer
    x = 9,697.43

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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.