Home / 19,772.71-29,659.37-7,295.67

Finding the Fourth Proportional to 19,772.71, 29,659.37 and 7,295.67

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Solution

The fourth proportional to 19,772.71, 29,659.37 and 7,295.67 is: 10,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.71 : 29,659.37 = 7,295.67 : x
  2. Step 2: Convert to fraction form
    19,772.71/29,659.37 = 7,295.67/x
  3. Step 3: Cross multiply
    19,772.71x = 29,659.37 × 7,295.67
  4. Step 4: Simplify right side
    19,772.71x = 216,384,939.45
  5. Step 5: Solve for x
    x = 216,384,939.45/19,772.71
  6. Step 6: Final answer
    x = 10,943.62

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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.