Home / 18,991.83-26,203.38-10,925.06

Finding the Fourth Proportional to 18,991.83, 26,203.38 and 10,925.06

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Solution

The fourth proportional to 18,991.83, 26,203.38 and 10,925.06 is: 15,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.83 : 26,203.38 = 10,925.06 : x
  2. Step 2: Convert to fraction form
    18,991.83/26,203.38 = 10,925.06/x
  3. Step 3: Cross multiply
    18,991.83x = 26,203.38 × 10,925.06
  4. Step 4: Simplify right side
    18,991.83x = 286,273,460.51
  5. Step 5: Solve for x
    x = 286,273,460.51/18,991.83
  6. Step 6: Final answer
    x = 15,073.51

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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.