Home / 19,585.04-29,394.36-7,906.64

Finding the Fourth Proportional to 19,585.04, 29,394.36 and 7,906.64

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Solution

The fourth proportional to 19,585.04, 29,394.36 and 7,906.64 is: 11,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.04 : 29,394.36 = 7,906.64 : x
  2. Step 2: Convert to fraction form
    19,585.04/29,394.36 = 7,906.64/x
  3. Step 3: Cross multiply
    19,585.04x = 29,394.36 × 7,906.64
  4. Step 4: Simplify right side
    19,585.04x = 232,410,622.55
  5. Step 5: Solve for x
    x = 232,410,622.55/19,585.04
  6. Step 6: Final answer
    x = 11,866.74

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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.