Home / 14,064.84-19,408.80-7,777.08

Finding the Fourth Proportional to 14,064.84, 19,408.80 and 7,777.08

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Solution

The fourth proportional to 14,064.84, 19,408.80 and 7,777.08 is: 10,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.84 : 19,408.80 = 7,777.08 : x
  2. Step 2: Convert to fraction form
    14,064.84/19,408.80 = 7,777.08/x
  3. Step 3: Cross multiply
    14,064.84x = 19,408.80 × 7,777.08
  4. Step 4: Simplify right side
    14,064.84x = 150,943,790.30
  5. Step 5: Solve for x
    x = 150,943,790.30/14,064.84
  6. Step 6: Final answer
    x = 10,731.99

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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.