Home / 19,152.99-28,726.20-5,298.75

Finding the Fourth Proportional to 19,152.99, 28,726.20 and 5,298.75

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Solution

The fourth proportional to 19,152.99, 28,726.20 and 5,298.75 is: 7,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.99 : 28,726.20 = 5,298.75 : x
  2. Step 2: Convert to fraction form
    19,152.99/28,726.20 = 5,298.75/x
  3. Step 3: Cross multiply
    19,152.99x = 28,726.20 × 5,298.75
  4. Step 4: Simplify right side
    19,152.99x = 152,212,952.25
  5. Step 5: Solve for x
    x = 152,212,952.25/19,152.99
  6. Step 6: Final answer
    x = 7,947.22

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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.