Home / 14,396.72-21,595.09-5,625.49

Finding the Fourth Proportional to 14,396.72, 21,595.09 and 5,625.49

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Solution

The fourth proportional to 14,396.72, 21,595.09 and 5,625.49 is: 8,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.72 : 21,595.09 = 5,625.49 : x
  2. Step 2: Convert to fraction form
    14,396.72/21,595.09 = 5,625.49/x
  3. Step 3: Cross multiply
    14,396.72x = 21,595.09 × 5,625.49
  4. Step 4: Simplify right side
    14,396.72x = 121,482,962.84
  5. Step 5: Solve for x
    x = 121,482,962.84/14,396.72
  6. Step 6: Final answer
    x = 8,438.24

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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.