Home / 19,124.18-28,675.13-7,423.73

Finding the Fourth Proportional to 19,124.18, 28,675.13 and 7,423.73

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Solution

The fourth proportional to 19,124.18, 28,675.13 and 7,423.73 is: 11,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.18 : 28,675.13 = 7,423.73 : x
  2. Step 2: Convert to fraction form
    19,124.18/28,675.13 = 7,423.73/x
  3. Step 3: Cross multiply
    19,124.18x = 28,675.13 × 7,423.73
  4. Step 4: Simplify right side
    19,124.18x = 212,876,242.34
  5. Step 5: Solve for x
    x = 212,876,242.34/19,124.18
  6. Step 6: Final answer
    x = 11,131.26

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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.