Home / 18,924.24-26,115.42-10,971.06

Finding the Fourth Proportional to 18,924.24, 26,115.42 and 10,971.06

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Solution

The fourth proportional to 18,924.24, 26,115.42 and 10,971.06 is: 15,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.24 : 26,115.42 = 10,971.06 : x
  2. Step 2: Convert to fraction form
    18,924.24/26,115.42 = 10,971.06/x
  3. Step 3: Cross multiply
    18,924.24x = 26,115.42 × 10,971.06
  4. Step 4: Simplify right side
    18,924.24x = 286,513,839.75
  5. Step 5: Solve for x
    x = 286,513,839.75/18,924.24
  6. Step 6: Final answer
    x = 15,140.04

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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.