Home / 28,080.49-42,106.63-9,353.94

Finding the Fourth Proportional to 28,080.49, 42,106.63 and 9,353.94

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Solution

The fourth proportional to 28,080.49, 42,106.63 and 9,353.94 is: 14,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.49 : 42,106.63 = 9,353.94 : x
  2. Step 2: Convert to fraction form
    28,080.49/42,106.63 = 9,353.94/x
  3. Step 3: Cross multiply
    28,080.49x = 42,106.63 × 9,353.94
  4. Step 4: Simplify right side
    28,080.49x = 393,862,890.62
  5. Step 5: Solve for x
    x = 393,862,890.62/28,080.49
  6. Step 6: Final answer
    x = 14,026.21

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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.