Home / 21,653.51-32,483.66-9,173.57

Finding the Fourth Proportional to 21,653.51, 32,483.66 and 9,173.57

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Solution

The fourth proportional to 21,653.51, 32,483.66 and 9,173.57 is: 13,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.51 : 32,483.66 = 9,173.57 : x
  2. Step 2: Convert to fraction form
    21,653.51/32,483.66 = 9,173.57/x
  3. Step 3: Cross multiply
    21,653.51x = 32,483.66 × 9,173.57
  4. Step 4: Simplify right side
    21,653.51x = 297,990,920.58
  5. Step 5: Solve for x
    x = 297,990,920.58/21,653.51
  6. Step 6: Final answer
    x = 13,761.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.