Home / 18,920.44-26,110.22-10,967.28

Finding the Fourth Proportional to 18,920.44, 26,110.22 and 10,967.28

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Solution

The fourth proportional to 18,920.44, 26,110.22 and 10,967.28 is: 15,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.44 : 26,110.22 = 10,967.28 : x
  2. Step 2: Convert to fraction form
    18,920.44/26,110.22 = 10,967.28/x
  3. Step 3: Cross multiply
    18,920.44x = 26,110.22 × 10,967.28
  4. Step 4: Simplify right side
    18,920.44x = 286,358,038.77
  5. Step 5: Solve for x
    x = 286,358,038.77/18,920.44
  6. Step 6: Final answer
    x = 15,134.85

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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.