Home / 21,716.51-32,580.07-6,925.43

Finding the Fourth Proportional to 21,716.51, 32,580.07 and 6,925.43

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Solution

The fourth proportional to 21,716.51, 32,580.07 and 6,925.43 is: 10,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.51 : 32,580.07 = 6,925.43 : x
  2. Step 2: Convert to fraction form
    21,716.51/32,580.07 = 6,925.43/x
  3. Step 3: Cross multiply
    21,716.51x = 32,580.07 × 6,925.43
  4. Step 4: Simplify right side
    21,716.51x = 225,630,994.18
  5. Step 5: Solve for x
    x = 225,630,994.18/21,716.51
  6. Step 6: Final answer
    x = 10,389.84

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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.