Home / 19,322.75-28,992.46-10,436.31

Finding the Fourth Proportional to 19,322.75, 28,992.46 and 10,436.31

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Solution

The fourth proportional to 19,322.75, 28,992.46 and 10,436.31 is: 15,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.75 : 28,992.46 = 10,436.31 : x
  2. Step 2: Convert to fraction form
    19,322.75/28,992.46 = 10,436.31/x
  3. Step 3: Cross multiply
    19,322.75x = 28,992.46 × 10,436.31
  4. Step 4: Simplify right side
    19,322.75x = 302,574,398.79
  5. Step 5: Solve for x
    x = 302,574,398.79/19,322.75
  6. Step 6: Final answer
    x = 15,658.97

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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.