Home / 19,521.63-26,938.04-11,021.49

Finding the Fourth Proportional to 19,521.63, 26,938.04 and 11,021.49

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Solution

The fourth proportional to 19,521.63, 26,938.04 and 11,021.49 is: 15,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.63 : 26,938.04 = 11,021.49 : x
  2. Step 2: Convert to fraction form
    19,521.63/26,938.04 = 11,021.49/x
  3. Step 3: Cross multiply
    19,521.63x = 26,938.04 × 11,021.49
  4. Step 4: Simplify right side
    19,521.63x = 296,897,283.37
  5. Step 5: Solve for x
    x = 296,897,283.37/19,521.63
  6. Step 6: Final answer
    x = 15,208.63

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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.