Home / 19,322.28-28,983.57-6,842.36

Finding the Fourth Proportional to 19,322.28, 28,983.57 and 6,842.36

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Solution

The fourth proportional to 19,322.28, 28,983.57 and 6,842.36 is: 10,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.28 : 28,983.57 = 6,842.36 : x
  2. Step 2: Convert to fraction form
    19,322.28/28,983.57 = 6,842.36/x
  3. Step 3: Cross multiply
    19,322.28x = 28,983.57 × 6,842.36
  4. Step 4: Simplify right side
    19,322.28x = 198,315,875.11
  5. Step 5: Solve for x
    x = 198,315,875.11/19,322.28
  6. Step 6: Final answer
    x = 10,263.59

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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.