Home / 18,920.13-26,109.77-10,536.63

Finding the Fourth Proportional to 18,920.13, 26,109.77 and 10,536.63

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Solution

The fourth proportional to 18,920.13, 26,109.77 and 10,536.63 is: 14,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.13 : 26,109.77 = 10,536.63 : x
  2. Step 2: Convert to fraction form
    18,920.13/26,109.77 = 10,536.63/x
  3. Step 3: Cross multiply
    18,920.13x = 26,109.77 × 10,536.63
  4. Step 4: Simplify right side
    18,920.13x = 275,108,985.88
  5. Step 5: Solve for x
    x = 275,108,985.88/18,920.13
  6. Step 6: Final answer
    x = 14,540.54

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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.