Home / 13,112.22-19,652.71-7,554.05

Finding the Fourth Proportional to 13,112.22, 19,652.71 and 7,554.05

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Solution

The fourth proportional to 13,112.22, 19,652.71 and 7,554.05 is: 11,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.22 : 19,652.71 = 7,554.05 : x
  2. Step 2: Convert to fraction form
    13,112.22/19,652.71 = 7,554.05/x
  3. Step 3: Cross multiply
    13,112.22x = 19,652.71 × 7,554.05
  4. Step 4: Simplify right side
    13,112.22x = 148,457,553.98
  5. Step 5: Solve for x
    x = 148,457,553.98/13,112.22
  6. Step 6: Final answer
    x = 11,322.08

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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.