Home / 15,648.09-21,594.39-8,574.48

Finding the Fourth Proportional to 15,648.09, 21,594.39 and 8,574.48

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Solution

The fourth proportional to 15,648.09, 21,594.39 and 8,574.48 is: 11,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.09 : 21,594.39 = 8,574.48 : x
  2. Step 2: Convert to fraction form
    15,648.09/21,594.39 = 8,574.48/x
  3. Step 3: Cross multiply
    15,648.09x = 21,594.39 × 8,574.48
  4. Step 4: Simplify right side
    15,648.09x = 185,160,665.17
  5. Step 5: Solve for x
    x = 185,160,665.17/15,648.09
  6. Step 6: Final answer
    x = 11,832.80

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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.