Home / 19,047.09-26,281.86-11,968.50

Finding the Fourth Proportional to 19,047.09, 26,281.86 and 11,968.50

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Solution

The fourth proportional to 19,047.09, 26,281.86 and 11,968.50 is: 16,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.09 : 26,281.86 = 11,968.50 : x
  2. Step 2: Convert to fraction form
    19,047.09/26,281.86 = 11,968.50/x
  3. Step 3: Cross multiply
    19,047.09x = 26,281.86 × 11,968.50
  4. Step 4: Simplify right side
    19,047.09x = 314,554,441.41
  5. Step 5: Solve for x
    x = 314,554,441.41/19,047.09
  6. Step 6: Final answer
    x = 16,514.57

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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.