Home / 19,190.92-26,490.90-15,000.52

Finding the Fourth Proportional to 19,190.92, 26,490.90 and 15,000.52

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Solution

The fourth proportional to 19,190.92, 26,490.90 and 15,000.52 is: 20,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.92 : 26,490.90 = 15,000.52 : x
  2. Step 2: Convert to fraction form
    19,190.92/26,490.90 = 15,000.52/x
  3. Step 3: Cross multiply
    19,190.92x = 26,490.90 × 15,000.52
  4. Step 4: Simplify right side
    19,190.92x = 397,377,275.27
  5. Step 5: Solve for x
    x = 397,377,275.27/19,190.92
  6. Step 6: Final answer
    x = 20,706.53

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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.