Home / 14,017.92-19,344.69-7,730.25

Finding the Fourth Proportional to 14,017.92, 19,344.69 and 7,730.25

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Solution

The fourth proportional to 14,017.92, 19,344.69 and 7,730.25 is: 10,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.92 : 19,344.69 = 7,730.25 : x
  2. Step 2: Convert to fraction form
    14,017.92/19,344.69 = 7,730.25/x
  3. Step 3: Cross multiply
    14,017.92x = 19,344.69 × 7,730.25
  4. Step 4: Simplify right side
    14,017.92x = 149,539,289.87
  5. Step 5: Solve for x
    x = 149,539,289.87/14,017.92
  6. Step 6: Final answer
    x = 10,667.72

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Half scale
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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.