Home / 13,021.22-17,969.30-7,052.91

Finding the Fourth Proportional to 13,021.22, 17,969.30 and 7,052.91

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Solution

The fourth proportional to 13,021.22, 17,969.30 and 7,052.91 is: 9,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.22 : 17,969.30 = 7,052.91 : x
  2. Step 2: Convert to fraction form
    13,021.22/17,969.30 = 7,052.91/x
  3. Step 3: Cross multiply
    13,021.22x = 17,969.30 × 7,052.91
  4. Step 4: Simplify right side
    13,021.22x = 126,735,779.46
  5. Step 5: Solve for x
    x = 126,735,779.46/13,021.22
  6. Step 6: Final answer
    x = 9,733.02

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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.