Home / 25,657.12-35,426.88-19,679.32

Finding the Fourth Proportional to 25,657.12, 35,426.88 and 19,679.32

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Solution

The fourth proportional to 25,657.12, 35,426.88 and 19,679.32 is: 27,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.12 : 35,426.88 = 19,679.32 : x
  2. Step 2: Convert to fraction form
    25,657.12/35,426.88 = 19,679.32/x
  3. Step 3: Cross multiply
    25,657.12x = 35,426.88 × 19,679.32
  4. Step 4: Simplify right side
    25,657.12x = 697,176,908.12
  5. Step 5: Solve for x
    x = 697,176,908.12/25,657.12
  6. Step 6: Final answer
    x = 27,172.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.