Home / 19,639.58-29,456.60-10,276.52

Finding the Fourth Proportional to 19,639.58, 29,456.60 and 10,276.52

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Solution

The fourth proportional to 19,639.58, 29,456.60 and 10,276.52 is: 15,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.58 : 29,456.60 = 10,276.52 : x
  2. Step 2: Convert to fraction form
    19,639.58/29,456.60 = 10,276.52/x
  3. Step 3: Cross multiply
    19,639.58x = 29,456.60 × 10,276.52
  4. Step 4: Simplify right side
    19,639.58x = 302,711,140.37
  5. Step 5: Solve for x
    x = 302,711,140.37/19,639.58
  6. Step 6: Final answer
    x = 15,413.32

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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.