Home / 19,259.09-28,885.69-6,109.75

Finding the Fourth Proportional to 19,259.09, 28,885.69 and 6,109.75

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Solution

The fourth proportional to 19,259.09, 28,885.69 and 6,109.75 is: 9,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.09 : 28,885.69 = 6,109.75 : x
  2. Step 2: Convert to fraction form
    19,259.09/28,885.69 = 6,109.75/x
  3. Step 3: Cross multiply
    19,259.09x = 28,885.69 × 6,109.75
  4. Step 4: Simplify right side
    19,259.09x = 176,484,344.48
  5. Step 5: Solve for x
    x = 176,484,344.48/19,259.09
  6. Step 6: Final answer
    x = 9,163.69

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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.