Home / 19,572.08-27,002.88-11,073.20

Finding the Fourth Proportional to 19,572.08, 27,002.88 and 11,073.20

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Solution

The fourth proportional to 19,572.08, 27,002.88 and 11,073.20 is: 15,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.08 : 27,002.88 = 11,073.20 : x
  2. Step 2: Convert to fraction form
    19,572.08/27,002.88 = 11,073.20/x
  3. Step 3: Cross multiply
    19,572.08x = 27,002.88 × 11,073.20
  4. Step 4: Simplify right side
    19,572.08x = 299,008,290.82
  5. Step 5: Solve for x
    x = 299,008,290.82/19,572.08
  6. Step 6: Final answer
    x = 15,277.29

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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.