Home / 19,570.08-27,003.28-11,072.16

Finding the Fourth Proportional to 19,570.08, 27,003.28 and 11,072.16

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Solution

The fourth proportional to 19,570.08, 27,003.28 and 11,072.16 is: 15,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.08 : 27,003.28 = 11,072.16 : x
  2. Step 2: Convert to fraction form
    19,570.08/27,003.28 = 11,072.16/x
  3. Step 3: Cross multiply
    19,570.08x = 27,003.28 × 11,072.16
  4. Step 4: Simplify right side
    19,570.08x = 298,984,636.68
  5. Step 5: Solve for x
    x = 298,984,636.68/19,570.08
  6. Step 6: Final answer
    x = 15,277.64

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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.