Home / 27,309.08-37,698.16-18,361.76

Finding the Fourth Proportional to 27,309.08, 37,698.16 and 18,361.76

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Solution

The fourth proportional to 27,309.08, 37,698.16 and 18,361.76 is: 25,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.08 : 37,698.16 = 18,361.76 : x
  2. Step 2: Convert to fraction form
    27,309.08/37,698.16 = 18,361.76/x
  3. Step 3: Cross multiply
    27,309.08x = 37,698.16 × 18,361.76
  4. Step 4: Simplify right side
    27,309.08x = 692,204,566.36
  5. Step 5: Solve for x
    x = 692,204,566.36/27,309.08
  6. Step 6: Final answer
    x = 25,347.05

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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.