Home / 19,047.34-26,282.20-11,968.75

Finding the Fourth Proportional to 19,047.34, 26,282.20 and 11,968.75

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Solution

The fourth proportional to 19,047.34, 26,282.20 and 11,968.75 is: 16,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.34 : 26,282.20 = 11,968.75 : x
  2. Step 2: Convert to fraction form
    19,047.34/26,282.20 = 11,968.75/x
  3. Step 3: Cross multiply
    19,047.34x = 26,282.20 × 11,968.75
  4. Step 4: Simplify right side
    19,047.34x = 314,565,081.25
  5. Step 5: Solve for x
    x = 314,565,081.25/19,047.34
  6. Step 6: Final answer
    x = 16,514.91

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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.