Home / 14,248.33-21,372.26-3,718.40

Finding the Fourth Proportional to 14,248.33, 21,372.26 and 3,718.40

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Solution

The fourth proportional to 14,248.33, 21,372.26 and 3,718.40 is: 5,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.33 : 21,372.26 = 3,718.40 : x
  2. Step 2: Convert to fraction form
    14,248.33/21,372.26 = 3,718.40/x
  3. Step 3: Cross multiply
    14,248.33x = 21,372.26 × 3,718.40
  4. Step 4: Simplify right side
    14,248.33x = 79,470,486.13
  5. Step 5: Solve for x
    x = 79,470,486.13/14,248.33
  6. Step 6: Final answer
    x = 5,577.53

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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.