Home / 19,121.71-26,377.34-17,768.62

Finding the Fourth Proportional to 19,121.71, 26,377.34 and 17,768.62

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Solution

The fourth proportional to 19,121.71, 26,377.34 and 17,768.62 is: 24,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.71 : 26,377.34 = 17,768.62 : x
  2. Step 2: Convert to fraction form
    19,121.71/26,377.34 = 17,768.62/x
  3. Step 3: Cross multiply
    19,121.71x = 26,377.34 × 17,768.62
  4. Step 4: Simplify right side
    19,121.71x = 468,688,842.23
  5. Step 5: Solve for x
    x = 468,688,842.23/19,121.71
  6. Step 6: Final answer
    x = 24,510.82

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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.