Home / 19,400.08-26,734.56-13,801.36

Finding the Fourth Proportional to 19,400.08, 26,734.56 and 13,801.36

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Solution

The fourth proportional to 19,400.08, 26,734.56 and 13,801.36 is: 19,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.08 : 26,734.56 = 13,801.36 : x
  2. Step 2: Convert to fraction form
    19,400.08/26,734.56 = 13,801.36/x
  3. Step 3: Cross multiply
    19,400.08x = 26,734.56 × 13,801.36
  4. Step 4: Simplify right side
    19,400.08x = 368,973,287.00
  5. Step 5: Solve for x
    x = 368,973,287.00/19,400.08
  6. Step 6: Final answer
    x = 19,019.16

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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.