Home / 19,260.23-28,888.05-5,219.37

Finding the Fourth Proportional to 19,260.23, 28,888.05 and 5,219.37

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Solution

The fourth proportional to 19,260.23, 28,888.05 and 5,219.37 is: 7,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.23 : 28,888.05 = 5,219.37 : x
  2. Step 2: Convert to fraction form
    19,260.23/28,888.05 = 5,219.37/x
  3. Step 3: Cross multiply
    19,260.23x = 28,888.05 × 5,219.37
  4. Step 4: Simplify right side
    19,260.23x = 150,777,421.53
  5. Step 5: Solve for x
    x = 150,777,421.53/19,260.23
  6. Step 6: Final answer
    x = 7,828.44

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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.