Home / 14,130.05-21,198.65-5,360.18

Finding the Fourth Proportional to 14,130.05, 21,198.65 and 5,360.18

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Solution

The fourth proportional to 14,130.05, 21,198.65 and 5,360.18 is: 8,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.05 : 21,198.65 = 5,360.18 : x
  2. Step 2: Convert to fraction form
    14,130.05/21,198.65 = 5,360.18/x
  3. Step 3: Cross multiply
    14,130.05x = 21,198.65 × 5,360.18
  4. Step 4: Simplify right side
    14,130.05x = 113,628,446.96
  5. Step 5: Solve for x
    x = 113,628,446.96/14,130.05
  6. Step 6: Final answer
    x = 8,041.62

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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.