Home / 15,648.44-21,595.35-8,575.32

Finding the Fourth Proportional to 15,648.44, 21,595.35 and 8,575.32

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Solution

The fourth proportional to 15,648.44, 21,595.35 and 8,575.32 is: 11,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.44 : 21,595.35 = 8,575.32 : x
  2. Step 2: Convert to fraction form
    15,648.44/21,595.35 = 8,575.32/x
  3. Step 3: Cross multiply
    15,648.44x = 21,595.35 × 8,575.32
  4. Step 4: Simplify right side
    15,648.44x = 185,187,036.76
  5. Step 5: Solve for x
    x = 185,187,036.76/15,648.44
  6. Step 6: Final answer
    x = 11,834.22

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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.