Home / 19,389.68-26,755.08-11,004.56

Finding the Fourth Proportional to 19,389.68, 26,755.08 and 11,004.56

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Solution

The fourth proportional to 19,389.68, 26,755.08 and 11,004.56 is: 15,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.68 : 26,755.08 = 11,004.56 : x
  2. Step 2: Convert to fraction form
    19,389.68/26,755.08 = 11,004.56/x
  3. Step 3: Cross multiply
    19,389.68x = 26,755.08 × 11,004.56
  4. Step 4: Simplify right side
    19,389.68x = 294,427,883.16
  5. Step 5: Solve for x
    x = 294,427,883.16/19,389.68
  6. Step 6: Final answer
    x = 15,184.77

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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.