Home / 14,130.92-21,184.23-5,372.12

Finding the Fourth Proportional to 14,130.92, 21,184.23 and 5,372.12

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Solution

The fourth proportional to 14,130.92, 21,184.23 and 5,372.12 is: 8,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.92 : 21,184.23 = 5,372.12 : x
  2. Step 2: Convert to fraction form
    14,130.92/21,184.23 = 5,372.12/x
  3. Step 3: Cross multiply
    14,130.92x = 21,184.23 × 5,372.12
  4. Step 4: Simplify right side
    14,130.92x = 113,804,298.77
  5. Step 5: Solve for x
    x = 113,804,298.77/14,130.92
  6. Step 6: Final answer
    x = 8,053.56

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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.