Home / 19,276.50-26,602.94-11,721.43

Finding the Fourth Proportional to 19,276.50, 26,602.94 and 11,721.43

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Solution

The fourth proportional to 19,276.50, 26,602.94 and 11,721.43 is: 16,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.50 : 26,602.94 = 11,721.43 : x
  2. Step 2: Convert to fraction form
    19,276.50/26,602.94 = 11,721.43/x
  3. Step 3: Cross multiply
    19,276.50x = 26,602.94 × 11,721.43
  4. Step 4: Simplify right side
    19,276.50x = 311,824,499.00
  5. Step 5: Solve for x
    x = 311,824,499.00/19,276.50
  6. Step 6: Final answer
    x = 16,176.41

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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.