Home / 19,841.04-27,378.64-11,883.06

Finding the Fourth Proportional to 19,841.04, 27,378.64 and 11,883.06

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Solution

The fourth proportional to 19,841.04, 27,378.64 and 11,883.06 is: 16,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.04 : 27,378.64 = 11,883.06 : x
  2. Step 2: Convert to fraction form
    19,841.04/27,378.64 = 11,883.06/x
  3. Step 3: Cross multiply
    19,841.04x = 27,378.64 × 11,883.06
  4. Step 4: Simplify right side
    19,841.04x = 325,342,036.69
  5. Step 5: Solve for x
    x = 325,342,036.69/19,841.04
  6. Step 6: Final answer
    x = 16,397.43

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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.