Home / 19,288.44-26,617.32-10,905.12

Finding the Fourth Proportional to 19,288.44, 26,617.32 and 10,905.12

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Solution

The fourth proportional to 19,288.44, 26,617.32 and 10,905.12 is: 15,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.44 : 26,617.32 = 10,905.12 : x
  2. Step 2: Convert to fraction form
    19,288.44/26,617.32 = 10,905.12/x
  3. Step 3: Cross multiply
    19,288.44x = 26,617.32 × 10,905.12
  4. Step 4: Simplify right side
    19,288.44x = 290,265,068.68
  5. Step 5: Solve for x
    x = 290,265,068.68/19,288.44
  6. Step 6: Final answer
    x = 15,048.65

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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.