Home / 19,711.71-29,567.57-7,227.02

Finding the Fourth Proportional to 19,711.71, 29,567.57 and 7,227.02

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Solution

The fourth proportional to 19,711.71, 29,567.57 and 7,227.02 is: 10,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.71 : 29,567.57 = 7,227.02 : x
  2. Step 2: Convert to fraction form
    19,711.71/29,567.57 = 7,227.02/x
  3. Step 3: Cross multiply
    19,711.71x = 29,567.57 × 7,227.02
  4. Step 4: Simplify right side
    19,711.71x = 213,685,419.74
  5. Step 5: Solve for x
    x = 213,685,419.74/19,711.71
  6. Step 6: Final answer
    x = 10,840.53

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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.