Home / 14,259.96-19,658.16-9,776.61

Finding the Fourth Proportional to 14,259.96, 19,658.16 and 9,776.61

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Solution

The fourth proportional to 14,259.96, 19,658.16 and 9,776.61 is: 13,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.96 : 19,658.16 = 9,776.61 : x
  2. Step 2: Convert to fraction form
    14,259.96/19,658.16 = 9,776.61/x
  3. Step 3: Cross multiply
    14,259.96x = 19,658.16 × 9,776.61
  4. Step 4: Simplify right side
    14,259.96x = 192,190,163.64
  5. Step 5: Solve for x
    x = 192,190,163.64/14,259.96
  6. Step 6: Final answer
    x = 13,477.61

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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.