Home / 19,767.56-29,662.28-8,088.98

Finding the Fourth Proportional to 19,767.56, 29,662.28 and 8,088.98

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Solution

The fourth proportional to 19,767.56, 29,662.28 and 8,088.98 is: 12,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.56 : 29,662.28 = 8,088.98 : x
  2. Step 2: Convert to fraction form
    19,767.56/29,662.28 = 8,088.98/x
  3. Step 3: Cross multiply
    19,767.56x = 29,662.28 × 8,088.98
  4. Step 4: Simplify right side
    19,767.56x = 239,937,400.92
  5. Step 5: Solve for x
    x = 239,937,400.92/19,767.56
  6. Step 6: Final answer
    x = 12,137.94

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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.