Home / 18,140.48-27,210.84-4,994.24

Finding the Fourth Proportional to 18,140.48, 27,210.84 and 4,994.24

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Solution

The fourth proportional to 18,140.48, 27,210.84 and 4,994.24 is: 7,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.48 : 27,210.84 = 4,994.24 : x
  2. Step 2: Convert to fraction form
    18,140.48/27,210.84 = 4,994.24/x
  3. Step 3: Cross multiply
    18,140.48x = 27,210.84 × 4,994.24
  4. Step 4: Simplify right side
    18,140.48x = 135,897,465.56
  5. Step 5: Solve for x
    x = 135,897,465.56/18,140.48
  6. Step 6: Final answer
    x = 7,491.39

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1.5x scale

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.