Home / 19,245.48-26,563.20-11,290.26

Finding the Fourth Proportional to 19,245.48, 26,563.20 and 11,290.26

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Solution

The fourth proportional to 19,245.48, 26,563.20 and 11,290.26 is: 15,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.48 : 26,563.20 = 11,290.26 : x
  2. Step 2: Convert to fraction form
    19,245.48/26,563.20 = 11,290.26/x
  3. Step 3: Cross multiply
    19,245.48x = 26,563.20 × 11,290.26
  4. Step 4: Simplify right side
    19,245.48x = 299,905,434.43
  5. Step 5: Solve for x
    x = 299,905,434.43/19,245.48
  6. Step 6: Final answer
    x = 15,583.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.