Home / 19,680.73-29,395.67-17,803.74

Finding the Fourth Proportional to 19,680.73, 29,395.67 and 17,803.74

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Solution

The fourth proportional to 19,680.73, 29,395.67 and 17,803.74 is: 26,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.73 : 29,395.67 = 17,803.74 : x
  2. Step 2: Convert to fraction form
    19,680.73/29,395.67 = 17,803.74/x
  3. Step 3: Cross multiply
    19,680.73x = 29,395.67 × 17,803.74
  4. Step 4: Simplify right side
    19,680.73x = 523,352,865.81
  5. Step 5: Solve for x
    x = 523,352,865.81/19,680.73
  6. Step 6: Final answer
    x = 26,592.15

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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.