Home / 25,431.81-35,097.45-14,101.30

Finding the Fourth Proportional to 25,431.81, 35,097.45 and 14,101.30

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Solution

The fourth proportional to 25,431.81, 35,097.45 and 14,101.30 is: 19,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.81 : 35,097.45 = 14,101.30 : x
  2. Step 2: Convert to fraction form
    25,431.81/35,097.45 = 14,101.30/x
  3. Step 3: Cross multiply
    25,431.81x = 35,097.45 × 14,101.30
  4. Step 4: Simplify right side
    25,431.81x = 494,919,591.07
  5. Step 5: Solve for x
    x = 494,919,591.07/25,431.81
  6. Step 6: Final answer
    x = 19,460.65

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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.