Home / 18,878.22-26,051.28-10,494.54

Finding the Fourth Proportional to 18,878.22, 26,051.28 and 10,494.54

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Solution

The fourth proportional to 18,878.22, 26,051.28 and 10,494.54 is: 14,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.22 : 26,051.28 = 10,494.54 : x
  2. Step 2: Convert to fraction form
    18,878.22/26,051.28 = 10,494.54/x
  3. Step 3: Cross multiply
    18,878.22x = 26,051.28 × 10,494.54
  4. Step 4: Simplify right side
    18,878.22x = 273,396,200.01
  5. Step 5: Solve for x
    x = 273,396,200.01/18,878.22
  6. Step 6: Final answer
    x = 14,482.10

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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.