Home / 19,367.36-26,708.64-13,008.32

Finding the Fourth Proportional to 19,367.36, 26,708.64 and 13,008.32

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Solution

The fourth proportional to 19,367.36, 26,708.64 and 13,008.32 is: 17,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.36 : 26,708.64 = 13,008.32 : x
  2. Step 2: Convert to fraction form
    19,367.36/26,708.64 = 13,008.32/x
  3. Step 3: Cross multiply
    19,367.36x = 26,708.64 × 13,008.32
  4. Step 4: Simplify right side
    19,367.36x = 347,434,535.88
  5. Step 5: Solve for x
    x = 347,434,535.88/19,367.36
  6. Step 6: Final answer
    x = 17,939.18

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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.