Home / 25,612.56-35,318.40-20,226.06

Finding the Fourth Proportional to 25,612.56, 35,318.40 and 20,226.06

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Solution

The fourth proportional to 25,612.56, 35,318.40 and 20,226.06 is: 27,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.56 : 35,318.40 = 20,226.06 : x
  2. Step 2: Convert to fraction form
    25,612.56/35,318.40 = 20,226.06/x
  3. Step 3: Cross multiply
    25,612.56x = 35,318.40 × 20,226.06
  4. Step 4: Simplify right side
    25,612.56x = 714,352,077.50
  5. Step 5: Solve for x
    x = 714,352,077.50/25,612.56
  6. Step 6: Final answer
    x = 27,890.69

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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.