Home / 13,531.56-18,673.52-7,563.22

Finding the Fourth Proportional to 13,531.56, 18,673.52 and 7,563.22

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Solution

The fourth proportional to 13,531.56, 18,673.52 and 7,563.22 is: 10,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.56 : 18,673.52 = 7,563.22 : x
  2. Step 2: Convert to fraction form
    13,531.56/18,673.52 = 7,563.22/x
  3. Step 3: Cross multiply
    13,531.56x = 18,673.52 × 7,563.22
  4. Step 4: Simplify right side
    13,531.56x = 141,231,939.93
  5. Step 5: Solve for x
    x = 141,231,939.93/13,531.56
  6. Step 6: Final answer
    x = 10,437.23

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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.