Home / 19,133.32-28,701.63-5,282.32

Finding the Fourth Proportional to 19,133.32, 28,701.63 and 5,282.32

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Solution

The fourth proportional to 19,133.32, 28,701.63 and 5,282.32 is: 7,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.32 : 28,701.63 = 5,282.32 : x
  2. Step 2: Convert to fraction form
    19,133.32/28,701.63 = 5,282.32/x
  3. Step 3: Cross multiply
    19,133.32x = 28,701.63 × 5,282.32
  4. Step 4: Simplify right side
    19,133.32x = 151,611,194.18
  5. Step 5: Solve for x
    x = 151,611,194.18/19,133.32
  6. Step 6: Final answer
    x = 7,923.94

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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.