Home / 14,054.94-19,396.71-7,767.90

Finding the Fourth Proportional to 14,054.94, 19,396.71 and 7,767.90

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Solution

The fourth proportional to 14,054.94, 19,396.71 and 7,767.90 is: 10,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.94 : 19,396.71 = 7,767.90 : x
  2. Step 2: Convert to fraction form
    14,054.94/19,396.71 = 7,767.90/x
  3. Step 3: Cross multiply
    14,054.94x = 19,396.71 × 7,767.90
  4. Step 4: Simplify right side
    14,054.94x = 150,671,703.61
  5. Step 5: Solve for x
    x = 150,671,703.61/14,054.94
  6. Step 6: Final answer
    x = 10,720.20

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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.