Home / 27,129.06-37,430.91-16,518.06

Finding the Fourth Proportional to 27,129.06, 37,430.91 and 16,518.06

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Solution

The fourth proportional to 27,129.06, 37,430.91 and 16,518.06 is: 22,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.06 : 37,430.91 = 16,518.06 : x
  2. Step 2: Convert to fraction form
    27,129.06/37,430.91 = 16,518.06/x
  3. Step 3: Cross multiply
    27,129.06x = 37,430.91 × 16,518.06
  4. Step 4: Simplify right side
    27,129.06x = 618,286,017.23
  5. Step 5: Solve for x
    x = 618,286,017.23/27,129.06
  6. Step 6: Final answer
    x = 22,790.54

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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.