Home / 18,920.54-26,109.33-10,536.50

Finding the Fourth Proportional to 18,920.54, 26,109.33 and 10,536.50

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Solution

The fourth proportional to 18,920.54, 26,109.33 and 10,536.50 is: 14,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.54 : 26,109.33 = 10,536.50 : x
  2. Step 2: Convert to fraction form
    18,920.54/26,109.33 = 10,536.50/x
  3. Step 3: Cross multiply
    18,920.54x = 26,109.33 × 10,536.50
  4. Step 4: Simplify right side
    18,920.54x = 275,100,955.55
  5. Step 5: Solve for x
    x = 275,100,955.55/18,920.54
  6. Step 6: Final answer
    x = 14,539.80

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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.