Home / 15,648.06-21,594.33-8,574.54

Finding the Fourth Proportional to 15,648.06, 21,594.33 and 8,574.54

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Solution

The fourth proportional to 15,648.06, 21,594.33 and 8,574.54 is: 11,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.06 : 21,594.33 = 8,574.54 : x
  2. Step 2: Convert to fraction form
    15,648.06/21,594.33 = 8,574.54/x
  3. Step 3: Cross multiply
    15,648.06x = 21,594.33 × 8,574.54
  4. Step 4: Simplify right side
    15,648.06x = 185,161,446.36
  5. Step 5: Solve for x
    x = 185,161,446.36/15,648.06
  6. Step 6: Final answer
    x = 11,832.87

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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.