Home / 19,290.06-26,618.76-11,222.46

Finding the Fourth Proportional to 19,290.06, 26,618.76 and 11,222.46

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Solution

The fourth proportional to 19,290.06, 26,618.76 and 11,222.46 is: 15,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.06 : 26,618.76 = 11,222.46 : x
  2. Step 2: Convert to fraction form
    19,290.06/26,618.76 = 11,222.46/x
  3. Step 3: Cross multiply
    19,290.06x = 26,618.76 × 11,222.46
  4. Step 4: Simplify right side
    19,290.06x = 298,727,969.35
  5. Step 5: Solve for x
    x = 298,727,969.35/19,290.06
  6. Step 6: Final answer
    x = 15,486.11

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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.