Home / 19,924.07-27,495.21-10,971.55

Finding the Fourth Proportional to 19,924.07, 27,495.21 and 10,971.55

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Solution

The fourth proportional to 19,924.07, 27,495.21 and 10,971.55 is: 15,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.07 : 27,495.21 = 10,971.55 : x
  2. Step 2: Convert to fraction form
    19,924.07/27,495.21 = 10,971.55/x
  3. Step 3: Cross multiply
    19,924.07x = 27,495.21 × 10,971.55
  4. Step 4: Simplify right side
    19,924.07x = 301,665,071.28
  5. Step 5: Solve for x
    x = 301,665,071.28/19,924.07
  6. Step 6: Final answer
    x = 15,140.74

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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.