Home / 15,648.19-21,595.01-8,575.07

Finding the Fourth Proportional to 15,648.19, 21,595.01 and 8,575.07

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Solution

The fourth proportional to 15,648.19, 21,595.01 and 8,575.07 is: 11,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.19 : 21,595.01 = 8,575.07 : x
  2. Step 2: Convert to fraction form
    15,648.19/21,595.01 = 8,575.07/x
  3. Step 3: Cross multiply
    15,648.19x = 21,595.01 × 8,575.07
  4. Step 4: Simplify right side
    15,648.19x = 185,178,571.55
  5. Step 5: Solve for x
    x = 185,178,571.55/15,648.19
  6. Step 6: Final answer
    x = 11,833.87

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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.