Home / 18,256.19-25,185.53-10,698.68

Finding the Fourth Proportional to 18,256.19, 25,185.53 and 10,698.68

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Solution

The fourth proportional to 18,256.19, 25,185.53 and 10,698.68 is: 14,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.19 : 25,185.53 = 10,698.68 : x
  2. Step 2: Convert to fraction form
    18,256.19/25,185.53 = 10,698.68/x
  3. Step 3: Cross multiply
    18,256.19x = 25,185.53 × 10,698.68
  4. Step 4: Simplify right side
    18,256.19x = 269,452,015.81
  5. Step 5: Solve for x
    x = 269,452,015.81/18,256.19
  6. Step 6: Final answer
    x = 14,759.49

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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.