Home / 14,122.16-21,193.23-5,809.76

Finding the Fourth Proportional to 14,122.16, 21,193.23 and 5,809.76

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Solution

The fourth proportional to 14,122.16, 21,193.23 and 5,809.76 is: 8,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.16 : 21,193.23 = 5,809.76 : x
  2. Step 2: Convert to fraction form
    14,122.16/21,193.23 = 5,809.76/x
  3. Step 3: Cross multiply
    14,122.16x = 21,193.23 × 5,809.76
  4. Step 4: Simplify right side
    14,122.16x = 123,127,579.92
  5. Step 5: Solve for x
    x = 123,127,579.92/14,122.16
  6. Step 6: Final answer
    x = 8,718.75

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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.