Home / 12,348.47-18,518.04-4,026.53

Finding the Fourth Proportional to 12,348.47, 18,518.04 and 4,026.53

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Solution

The fourth proportional to 12,348.47, 18,518.04 and 4,026.53 is: 6,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.47 : 18,518.04 = 4,026.53 : x
  2. Step 2: Convert to fraction form
    12,348.47/18,518.04 = 4,026.53/x
  3. Step 3: Cross multiply
    12,348.47x = 18,518.04 × 4,026.53
  4. Step 4: Simplify right side
    12,348.47x = 74,563,351.01
  5. Step 5: Solve for x
    x = 74,563,351.01/12,348.47
  6. Step 6: Final answer
    x = 6,038.27

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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.