Home / 19,219.34-28,818.98-7,369.58

Finding the Fourth Proportional to 19,219.34, 28,818.98 and 7,369.58

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Solution

The fourth proportional to 19,219.34, 28,818.98 and 7,369.58 is: 11,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.34 : 28,818.98 = 7,369.58 : x
  2. Step 2: Convert to fraction form
    19,219.34/28,818.98 = 7,369.58/x
  3. Step 3: Cross multiply
    19,219.34x = 28,818.98 × 7,369.58
  4. Step 4: Simplify right side
    19,219.34x = 212,383,778.63
  5. Step 5: Solve for x
    x = 212,383,778.63/19,219.34
  6. Step 6: Final answer
    x = 11,050.52

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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.