Home / 35,518.14-53,266.20-12,139.14

Finding the Fourth Proportional to 35,518.14, 53,266.20 and 12,139.14

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Solution

The fourth proportional to 35,518.14, 53,266.20 and 12,139.14 is: 18,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.14 : 53,266.20 = 12,139.14 : x
  2. Step 2: Convert to fraction form
    35,518.14/53,266.20 = 12,139.14/x
  3. Step 3: Cross multiply
    35,518.14x = 53,266.20 × 12,139.14
  4. Step 4: Simplify right side
    35,518.14x = 646,605,859.07
  5. Step 5: Solve for x
    x = 646,605,859.07/35,518.14
  6. Step 6: Final answer
    x = 18,204.95

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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.