Home / 19,038.48-28,558.20-5,890.80

Finding the Fourth Proportional to 19,038.48, 28,558.20 and 5,890.80

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Solution

The fourth proportional to 19,038.48, 28,558.20 and 5,890.80 is: 8,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.48 : 28,558.20 = 5,890.80 : x
  2. Step 2: Convert to fraction form
    19,038.48/28,558.20 = 5,890.80/x
  3. Step 3: Cross multiply
    19,038.48x = 28,558.20 × 5,890.80
  4. Step 4: Simplify right side
    19,038.48x = 168,230,644.56
  5. Step 5: Solve for x
    x = 168,230,644.56/19,038.48
  6. Step 6: Final answer
    x = 8,836.35

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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.