Home / 19,542.36-26,968.86-11,159.40

Finding the Fourth Proportional to 19,542.36, 26,968.86 and 11,159.40

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Solution

The fourth proportional to 19,542.36, 26,968.86 and 11,159.40 is: 15,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.36 : 26,968.86 = 11,159.40 : x
  2. Step 2: Convert to fraction form
    19,542.36/26,968.86 = 11,159.40/x
  3. Step 3: Cross multiply
    19,542.36x = 26,968.86 × 11,159.40
  4. Step 4: Simplify right side
    19,542.36x = 300,956,296.28
  5. Step 5: Solve for x
    x = 300,956,296.28/19,542.36
  6. Step 6: Final answer
    x = 15,400.20

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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.