Home / 19,353.25-26,707.79-10,857.26

Finding the Fourth Proportional to 19,353.25, 26,707.79 and 10,857.26

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Solution

The fourth proportional to 19,353.25, 26,707.79 and 10,857.26 is: 14,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.25 : 26,707.79 = 10,857.26 : x
  2. Step 2: Convert to fraction form
    19,353.25/26,707.79 = 10,857.26/x
  3. Step 3: Cross multiply
    19,353.25x = 26,707.79 × 10,857.26
  4. Step 4: Simplify right side
    19,353.25x = 289,973,513.97
  5. Step 5: Solve for x
    x = 289,973,513.97/19,353.25
  6. Step 6: Final answer
    x = 14,983.19

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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.