Home / 18,610.14-27,888.56-14,430.57

Finding the Fourth Proportional to 18,610.14, 27,888.56 and 14,430.57

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Solution

The fourth proportional to 18,610.14, 27,888.56 and 14,430.57 is: 21,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.14 : 27,888.56 = 14,430.57 : x
  2. Step 2: Convert to fraction form
    18,610.14/27,888.56 = 14,430.57/x
  3. Step 3: Cross multiply
    18,610.14x = 27,888.56 × 14,430.57
  4. Step 4: Simplify right side
    18,610.14x = 402,447,745.13
  5. Step 5: Solve for x
    x = 402,447,745.13/18,610.14
  6. Step 6: Final answer
    x = 21,625.19

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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.