Home / 20,044.51-27,657.50-11,090.34

Finding the Fourth Proportional to 20,044.51, 27,657.50 and 11,090.34

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Solution

The fourth proportional to 20,044.51, 27,657.50 and 11,090.34 is: 15,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.51 : 27,657.50 = 11,090.34 : x
  2. Step 2: Convert to fraction form
    20,044.51/27,657.50 = 11,090.34/x
  3. Step 3: Cross multiply
    20,044.51x = 27,657.50 × 11,090.34
  4. Step 4: Simplify right side
    20,044.51x = 306,731,023.10
  5. Step 5: Solve for x
    x = 306,731,023.10/20,044.51
  6. Step 6: Final answer
    x = 15,302.50

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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.