Home / 19,955.25-27,535.17-11,886.45

Finding the Fourth Proportional to 19,955.25, 27,535.17 and 11,886.45

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Solution

The fourth proportional to 19,955.25, 27,535.17 and 11,886.45 is: 16,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.25 : 27,535.17 = 11,886.45 : x
  2. Step 2: Convert to fraction form
    19,955.25/27,535.17 = 11,886.45/x
  3. Step 3: Cross multiply
    19,955.25x = 27,535.17 × 11,886.45
  4. Step 4: Simplify right side
    19,955.25x = 327,295,421.45
  5. Step 5: Solve for x
    x = 327,295,421.45/19,955.25
  6. Step 6: Final answer
    x = 16,401.47

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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.