Home / 25,406.06-35,077.86-19,427.31

Finding the Fourth Proportional to 25,406.06, 35,077.86 and 19,427.31

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Solution

The fourth proportional to 25,406.06, 35,077.86 and 19,427.31 is: 26,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.06 : 35,077.86 = 19,427.31 : x
  2. Step 2: Convert to fraction form
    25,406.06/35,077.86 = 19,427.31/x
  3. Step 3: Cross multiply
    25,406.06x = 35,077.86 × 19,427.31
  4. Step 4: Simplify right side
    25,406.06x = 681,468,460.36
  5. Step 5: Solve for x
    x = 681,468,460.36/25,406.06
  6. Step 6: Final answer
    x = 26,823.07

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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.