Home / 19,580.63-27,043.54-13,282.07

Finding the Fourth Proportional to 19,580.63, 27,043.54 and 13,282.07

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Solution

The fourth proportional to 19,580.63, 27,043.54 and 13,282.07 is: 18,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.63 : 27,043.54 = 13,282.07 : x
  2. Step 2: Convert to fraction form
    19,580.63/27,043.54 = 13,282.07/x
  3. Step 3: Cross multiply
    19,580.63x = 27,043.54 × 13,282.07
  4. Step 4: Simplify right side
    19,580.63x = 359,194,022.90
  5. Step 5: Solve for x
    x = 359,194,022.90/19,580.63
  6. Step 6: Final answer
    x = 18,344.36

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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.