Home / 19,924.29-27,494.91-10,971.72

Finding the Fourth Proportional to 19,924.29, 27,494.91 and 10,971.72

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Solution

The fourth proportional to 19,924.29, 27,494.91 and 10,971.72 is: 15,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.29 : 27,494.91 = 10,971.72 : x
  2. Step 2: Convert to fraction form
    19,924.29/27,494.91 = 10,971.72/x
  3. Step 3: Cross multiply
    19,924.29x = 27,494.91 × 10,971.72
  4. Step 4: Simplify right side
    19,924.29x = 301,666,453.95
  5. Step 5: Solve for x
    x = 301,666,453.95/19,924.29
  6. Step 6: Final answer
    x = 15,140.64

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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.