Home / 15,231.87-22,784.63-14,298.75

Finding the Fourth Proportional to 15,231.87, 22,784.63 and 14,298.75

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Solution

The fourth proportional to 15,231.87, 22,784.63 and 14,298.75 is: 21,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231.87 : 22,784.63 = 14,298.75 : x
  2. Step 2: Convert to fraction form
    15,231.87/22,784.63 = 14,298.75/x
  3. Step 3: Cross multiply
    15,231.87x = 22,784.63 × 14,298.75
  4. Step 4: Simplify right side
    15,231.87x = 325,791,656.72
  5. Step 5: Solve for x
    x = 325,791,656.72/15,231.87
  6. Step 6: Final answer
    x = 21,388.82

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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.