Home / 21,971.04-32,956.55-8,823.41

Finding the Fourth Proportional to 21,971.04, 32,956.55 and 8,823.41

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Solution

The fourth proportional to 21,971.04, 32,956.55 and 8,823.41 is: 13,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.04 : 32,956.55 = 8,823.41 : x
  2. Step 2: Convert to fraction form
    21,971.04/32,956.55 = 8,823.41/x
  3. Step 3: Cross multiply
    21,971.04x = 32,956.55 × 8,823.41
  4. Step 4: Simplify right side
    21,971.04x = 290,789,152.84
  5. Step 5: Solve for x
    x = 290,789,152.84/21,971.04
  6. Step 6: Final answer
    x = 13,235.11

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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.