Home / 19,955.03-27,538.16-11,002.86

Finding the Fourth Proportional to 19,955.03, 27,538.16 and 11,002.86

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Solution

The fourth proportional to 19,955.03, 27,538.16 and 11,002.86 is: 15,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.03 : 27,538.16 = 11,002.86 : x
  2. Step 2: Convert to fraction form
    19,955.03/27,538.16 = 11,002.86/x
  3. Step 3: Cross multiply
    19,955.03x = 27,538.16 × 11,002.86
  4. Step 4: Simplify right side
    19,955.03x = 302,998,519.14
  5. Step 5: Solve for x
    x = 302,998,519.14/19,955.03
  6. Step 6: Final answer
    x = 15,184.07

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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.