Home / 21,925.60-32,866.80-10,823.20

Finding the Fourth Proportional to 21,925.60, 32,866.80 and 10,823.20

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Solution

The fourth proportional to 21,925.60, 32,866.80 and 10,823.20 is: 16,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.60 : 32,866.80 = 10,823.20 : x
  2. Step 2: Convert to fraction form
    21,925.60/32,866.80 = 10,823.20/x
  3. Step 3: Cross multiply
    21,925.60x = 32,866.80 × 10,823.20
  4. Step 4: Simplify right side
    21,925.60x = 355,723,949.76
  5. Step 5: Solve for x
    x = 355,723,949.76/21,925.60
  6. Step 6: Final answer
    x = 16,224.14

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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.