Home / 19,122.99-28,623.06-10,216.05

Finding the Fourth Proportional to 19,122.99, 28,623.06 and 10,216.05

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Solution

The fourth proportional to 19,122.99, 28,623.06 and 10,216.05 is: 15,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.99 : 28,623.06 = 10,216.05 : x
  2. Step 2: Convert to fraction form
    19,122.99/28,623.06 = 10,216.05/x
  3. Step 3: Cross multiply
    19,122.99x = 28,623.06 × 10,216.05
  4. Step 4: Simplify right side
    19,122.99x = 292,414,612.11
  5. Step 5: Solve for x
    x = 292,414,612.11/19,122.99
  6. Step 6: Final answer
    x = 15,291.26

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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.