Home / 21,584.84-32,368.20-9,110.48

Finding the Fourth Proportional to 21,584.84, 32,368.20 and 9,110.48

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Solution

The fourth proportional to 21,584.84, 32,368.20 and 9,110.48 is: 13,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.84 : 32,368.20 = 9,110.48 : x
  2. Step 2: Convert to fraction form
    21,584.84/32,368.20 = 9,110.48/x
  3. Step 3: Cross multiply
    21,584.84x = 32,368.20 × 9,110.48
  4. Step 4: Simplify right side
    21,584.84x = 294,889,838.74
  5. Step 5: Solve for x
    x = 294,889,838.74/21,584.84
  6. Step 6: Final answer
    x = 13,661.90

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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.