Home / 21,924.52-32,870.32-7,124.60

Finding the Fourth Proportional to 21,924.52, 32,870.32 and 7,124.60

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Solution

The fourth proportional to 21,924.52, 32,870.32 and 7,124.60 is: 10,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.52 : 32,870.32 = 7,124.60 : x
  2. Step 2: Convert to fraction form
    21,924.52/32,870.32 = 7,124.60/x
  3. Step 3: Cross multiply
    21,924.52x = 32,870.32 × 7,124.60
  4. Step 4: Simplify right side
    21,924.52x = 234,187,881.87
  5. Step 5: Solve for x
    x = 234,187,881.87/21,924.52
  6. Step 6: Final answer
    x = 10,681.55

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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.