Home / 15,574.91-21,493.52-8,501.33

Finding the Fourth Proportional to 15,574.91, 21,493.52 and 8,501.33

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Solution

The fourth proportional to 15,574.91, 21,493.52 and 8,501.33 is: 11,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.91 : 21,493.52 = 8,501.33 : x
  2. Step 2: Convert to fraction form
    15,574.91/21,493.52 = 8,501.33/x
  3. Step 3: Cross multiply
    15,574.91x = 21,493.52 × 8,501.33
  4. Step 4: Simplify right side
    15,574.91x = 182,723,463.87
  5. Step 5: Solve for x
    x = 182,723,463.87/15,574.91
  6. Step 6: Final answer
    x = 11,731.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.