Home / 19,383.35-26,762.06-13,019.38

Finding the Fourth Proportional to 19,383.35, 26,762.06 and 13,019.38

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Solution

The fourth proportional to 19,383.35, 26,762.06 and 13,019.38 is: 17,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.35 : 26,762.06 = 13,019.38 : x
  2. Step 2: Convert to fraction form
    19,383.35/26,762.06 = 13,019.38/x
  3. Step 3: Cross multiply
    19,383.35x = 26,762.06 × 13,019.38
  4. Step 4: Simplify right side
    19,383.35x = 348,425,394.37
  5. Step 5: Solve for x
    x = 348,425,394.37/19,383.35
  6. Step 6: Final answer
    x = 17,975.50

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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.