Home / 25,018.16-34,485.36-19,704.56

Finding the Fourth Proportional to 25,018.16, 34,485.36 and 19,704.56

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Solution

The fourth proportional to 25,018.16, 34,485.36 and 19,704.56 is: 27,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,018.16 : 34,485.36 = 19,704.56 : x
  2. Step 2: Convert to fraction form
    25,018.16/34,485.36 = 19,704.56/x
  3. Step 3: Cross multiply
    25,018.16x = 34,485.36 × 19,704.56
  4. Step 4: Simplify right side
    25,018.16x = 679,518,845.24
  5. Step 5: Solve for x
    x = 679,518,845.24/25,018.16
  6. Step 6: Final answer
    x = 27,161.02

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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.