Home / 16,375.68-22,572-11,068.56

Finding the Fourth Proportional to 16,375.68, 22,572 and 11,068.56

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Solution

The fourth proportional to 16,375.68, 22,572 and 11,068.56 is: 15,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.68 : 22,572 = 11,068.56 : x
  2. Step 2: Convert to fraction form
    16,375.68/22,572 = 11,068.56/x
  3. Step 3: Cross multiply
    16,375.68x = 22,572 × 11,068.56
  4. Step 4: Simplify right side
    16,375.68x = 249,839,536.32
  5. Step 5: Solve for x
    x = 249,839,536.32/16,375.68
  6. Step 6: Final answer
    x = 15,256.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.