Home / 19,611.40-29,433.30-9,097.60

Finding the Fourth Proportional to 19,611.40, 29,433.30 and 9,097.60

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Solution

The fourth proportional to 19,611.40, 29,433.30 and 9,097.60 is: 13,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.40 : 29,433.30 = 9,097.60 : x
  2. Step 2: Convert to fraction form
    19,611.40/29,433.30 = 9,097.60/x
  3. Step 3: Cross multiply
    19,611.40x = 29,433.30 × 9,097.60
  4. Step 4: Simplify right side
    19,611.40x = 267,772,390.08
  5. Step 5: Solve for x
    x = 267,772,390.08/19,611.40
  6. Step 6: Final answer
    x = 13,653.92

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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.