Home / 25,739.38-35,518.70-14,406.97

Finding the Fourth Proportional to 25,739.38, 35,518.70 and 14,406.97

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Solution

The fourth proportional to 25,739.38, 35,518.70 and 14,406.97 is: 19,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.38 : 35,518.70 = 14,406.97 : x
  2. Step 2: Convert to fraction form
    25,739.38/35,518.70 = 14,406.97/x
  3. Step 3: Cross multiply
    25,739.38x = 35,518.70 × 14,406.97
  4. Step 4: Simplify right side
    25,739.38x = 511,716,845.34
  5. Step 5: Solve for x
    x = 511,716,845.34/25,739.38
  6. Step 6: Final answer
    x = 19,880.70

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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.