Home / 19,803.16-29,706.18-6,650.20

Finding the Fourth Proportional to 19,803.16, 29,706.18 and 6,650.20

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Solution

The fourth proportional to 19,803.16, 29,706.18 and 6,650.20 is: 9,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.16 : 29,706.18 = 6,650.20 : x
  2. Step 2: Convert to fraction form
    19,803.16/29,706.18 = 6,650.20/x
  3. Step 3: Cross multiply
    19,803.16x = 29,706.18 × 6,650.20
  4. Step 4: Simplify right side
    19,803.16x = 197,552,038.24
  5. Step 5: Solve for x
    x = 197,552,038.24/19,803.16
  6. Step 6: Final answer
    x = 9,975.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.