Home / 25,455.74-35,129.72-14,126.06

Finding the Fourth Proportional to 25,455.74, 35,129.72 and 14,126.06

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Solution

The fourth proportional to 25,455.74, 35,129.72 and 14,126.06 is: 19,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.74 : 35,129.72 = 14,126.06 : x
  2. Step 2: Convert to fraction form
    25,455.74/35,129.72 = 14,126.06/x
  3. Step 3: Cross multiply
    25,455.74x = 35,129.72 × 14,126.06
  4. Step 4: Simplify right side
    25,455.74x = 496,244,576.18
  5. Step 5: Solve for x
    x = 496,244,576.18/25,455.74
  6. Step 6: Final answer
    x = 19,494.41

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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.