Home / 18,985.07-26,193.67-11,025.76

Finding the Fourth Proportional to 18,985.07, 26,193.67 and 11,025.76

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Solution

The fourth proportional to 18,985.07, 26,193.67 and 11,025.76 is: 15,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.07 : 26,193.67 = 11,025.76 : x
  2. Step 2: Convert to fraction form
    18,985.07/26,193.67 = 11,025.76/x
  3. Step 3: Cross multiply
    18,985.07x = 26,193.67 × 11,025.76
  4. Step 4: Simplify right side
    18,985.07x = 288,805,118.94
  5. Step 5: Solve for x
    x = 288,805,118.94/18,985.07
  6. Step 6: Final answer
    x = 15,212.22

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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.