Home / 19,186.29-28,810.70-11,837.45

Finding the Fourth Proportional to 19,186.29, 28,810.70 and 11,837.45

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Solution

The fourth proportional to 19,186.29, 28,810.70 and 11,837.45 is: 17,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.29 : 28,810.70 = 11,837.45 : x
  2. Step 2: Convert to fraction form
    19,186.29/28,810.70 = 11,837.45/x
  3. Step 3: Cross multiply
    19,186.29x = 28,810.70 × 11,837.45
  4. Step 4: Simplify right side
    19,186.29x = 341,045,220.72
  5. Step 5: Solve for x
    x = 341,045,220.72/19,186.29
  6. Step 6: Final answer
    x = 17,775.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.