Home / 23,903.56-35,679.38-20,805.40

Finding the Fourth Proportional to 23,903.56, 35,679.38 and 20,805.40

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Solution

The fourth proportional to 23,903.56, 35,679.38 and 20,805.40 is: 31,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,903.56 : 35,679.38 = 20,805.40 : x
  2. Step 2: Convert to fraction form
    23,903.56/35,679.38 = 20,805.40/x
  3. Step 3: Cross multiply
    23,903.56x = 35,679.38 × 20,805.40
  4. Step 4: Simplify right side
    23,903.56x = 742,323,772.65
  5. Step 5: Solve for x
    x = 742,323,772.65/23,903.56
  6. Step 6: Final answer
    x = 31,054.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.