Home / 12,358.80-18,541.17-4,038.84

Finding the Fourth Proportional to 12,358.80, 18,541.17 and 4,038.84

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Solution

The fourth proportional to 12,358.80, 18,541.17 and 4,038.84 is: 6,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.80 : 18,541.17 = 4,038.84 : x
  2. Step 2: Convert to fraction form
    12,358.80/18,541.17 = 4,038.84/x
  3. Step 3: Cross multiply
    12,358.80x = 18,541.17 × 4,038.84
  4. Step 4: Simplify right side
    12,358.80x = 74,884,819.04
  5. Step 5: Solve for x
    x = 74,884,819.04/12,358.80
  6. Step 6: Final answer
    x = 6,059.23

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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.