Home / 21,416.04-32,131.66-9,568.72

Finding the Fourth Proportional to 21,416.04, 32,131.66 and 9,568.72

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Solution

The fourth proportional to 21,416.04, 32,131.66 and 9,568.72 is: 14,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.04 : 32,131.66 = 9,568.72 : x
  2. Step 2: Convert to fraction form
    21,416.04/32,131.66 = 9,568.72/x
  3. Step 3: Cross multiply
    21,416.04x = 32,131.66 × 9,568.72
  4. Step 4: Simplify right side
    21,416.04x = 307,458,809.83
  5. Step 5: Solve for x
    x = 307,458,809.83/21,416.04
  6. Step 6: Final answer
    x = 14,356.48

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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.