Home / 19,583.51-27,018.36-12,873.06

Finding the Fourth Proportional to 19,583.51, 27,018.36 and 12,873.06

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Solution

The fourth proportional to 19,583.51, 27,018.36 and 12,873.06 is: 17,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.51 : 27,018.36 = 12,873.06 : x
  2. Step 2: Convert to fraction form
    19,583.51/27,018.36 = 12,873.06/x
  3. Step 3: Cross multiply
    19,583.51x = 27,018.36 × 12,873.06
  4. Step 4: Simplify right side
    19,583.51x = 347,808,969.38
  5. Step 5: Solve for x
    x = 347,808,969.38/19,583.51
  6. Step 6: Final answer
    x = 17,760.30

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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.