Home / 19,345.55-29,022.70-6,865.59

Finding the Fourth Proportional to 19,345.55, 29,022.70 and 6,865.59

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Solution

The fourth proportional to 19,345.55, 29,022.70 and 6,865.59 is: 10,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.55 : 29,022.70 = 6,865.59 : x
  2. Step 2: Convert to fraction form
    19,345.55/29,022.70 = 6,865.59/x
  3. Step 3: Cross multiply
    19,345.55x = 29,022.70 × 6,865.59
  4. Step 4: Simplify right side
    19,345.55x = 199,257,958.89
  5. Step 5: Solve for x
    x = 199,257,958.89/19,345.55
  6. Step 6: Final answer
    x = 10,299.94

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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.