Home / 19,971.50-29,963.23-5,931.99

Finding the Fourth Proportional to 19,971.50, 29,963.23 and 5,931.99

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Solution

The fourth proportional to 19,971.50, 29,963.23 and 5,931.99 is: 8,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.50 : 29,963.23 = 5,931.99 : x
  2. Step 2: Convert to fraction form
    19,971.50/29,963.23 = 5,931.99/x
  3. Step 3: Cross multiply
    19,971.50x = 29,963.23 × 5,931.99
  4. Step 4: Simplify right side
    19,971.50x = 177,741,565.90
  5. Step 5: Solve for x
    x = 177,741,565.90/19,971.50
  6. Step 6: Final answer
    x = 8,899.76

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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.