Home / 23,005.52-34,340.40-19,739.60

Finding the Fourth Proportional to 23,005.52, 34,340.40 and 19,739.60

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Solution

The fourth proportional to 23,005.52, 34,340.40 and 19,739.60 is: 29,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.52 : 34,340.40 = 19,739.60 : x
  2. Step 2: Convert to fraction form
    23,005.52/34,340.40 = 19,739.60/x
  3. Step 3: Cross multiply
    23,005.52x = 34,340.40 × 19,739.60
  4. Step 4: Simplify right side
    23,005.52x = 677,865,759.84
  5. Step 5: Solve for x
    x = 677,865,759.84/23,005.52
  6. Step 6: Final answer
    x = 29,465.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.