Home / 13,020.51-17,968.35-7,052.19

Finding the Fourth Proportional to 13,020.51, 17,968.35 and 7,052.19

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Solution

The fourth proportional to 13,020.51, 17,968.35 and 7,052.19 is: 9,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.51 : 17,968.35 = 7,052.19 : x
  2. Step 2: Convert to fraction form
    13,020.51/17,968.35 = 7,052.19/x
  3. Step 3: Cross multiply
    13,020.51x = 17,968.35 × 7,052.19
  4. Step 4: Simplify right side
    13,020.51x = 126,716,218.19
  5. Step 5: Solve for x
    x = 126,716,218.19/13,020.51
  6. Step 6: Final answer
    x = 9,732.05

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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.