Home / 14,045.87-19,383.40-7,758.25

Finding the Fourth Proportional to 14,045.87, 19,383.40 and 7,758.25

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Solution

The fourth proportional to 14,045.87, 19,383.40 and 7,758.25 is: 10,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.87 : 19,383.40 = 7,758.25 : x
  2. Step 2: Convert to fraction form
    14,045.87/19,383.40 = 7,758.25/x
  3. Step 3: Cross multiply
    14,045.87x = 19,383.40 × 7,758.25
  4. Step 4: Simplify right side
    14,045.87x = 150,381,166.13
  5. Step 5: Solve for x
    x = 150,381,166.13/14,045.87
  6. Step 6: Final answer
    x = 10,706.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.