Home / 19,675.72-27,152.85-11,292.22

Finding the Fourth Proportional to 19,675.72, 27,152.85 and 11,292.22

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Solution

The fourth proportional to 19,675.72, 27,152.85 and 11,292.22 is: 15,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.72 : 27,152.85 = 11,292.22 : x
  2. Step 2: Convert to fraction form
    19,675.72/27,152.85 = 11,292.22/x
  3. Step 3: Cross multiply
    19,675.72x = 27,152.85 × 11,292.22
  4. Step 4: Simplify right side
    19,675.72x = 306,615,955.83
  5. Step 5: Solve for x
    x = 306,615,955.83/19,675.72
  6. Step 6: Final answer
    x = 15,583.47

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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.