Home / 19,812.02-29,540.91-19,267.70

Finding the Fourth Proportional to 19,812.02, 29,540.91 and 19,267.70

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Solution

The fourth proportional to 19,812.02, 29,540.91 and 19,267.70 is: 28,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.02 : 29,540.91 = 19,267.70 : x
  2. Step 2: Convert to fraction form
    19,812.02/29,540.91 = 19,267.70/x
  3. Step 3: Cross multiply
    19,812.02x = 29,540.91 × 19,267.70
  4. Step 4: Simplify right side
    19,812.02x = 569,185,295.27
  5. Step 5: Solve for x
    x = 569,185,295.27/19,812.02
  6. Step 6: Final answer
    x = 28,729.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.