Home / 19,478.67-29,243.11-16,723.05

Finding the Fourth Proportional to 19,478.67, 29,243.11 and 16,723.05

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Solution

The fourth proportional to 19,478.67, 29,243.11 and 16,723.05 is: 25,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.67 : 29,243.11 = 16,723.05 : x
  2. Step 2: Convert to fraction form
    19,478.67/29,243.11 = 16,723.05/x
  3. Step 3: Cross multiply
    19,478.67x = 29,243.11 × 16,723.05
  4. Step 4: Simplify right side
    19,478.67x = 489,033,990.69
  5. Step 5: Solve for x
    x = 489,033,990.69/19,478.67
  6. Step 6: Final answer
    x = 25,106.13

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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.