Home / 23,574.36-32,584.62-20,720.32

Finding the Fourth Proportional to 23,574.36, 32,584.62 and 20,720.32

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Solution

The fourth proportional to 23,574.36, 32,584.62 and 20,720.32 is: 28,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,574.36 : 32,584.62 = 20,720.32 : x
  2. Step 2: Convert to fraction form
    23,574.36/32,584.62 = 20,720.32/x
  3. Step 3: Cross multiply
    23,574.36x = 32,584.62 × 20,720.32
  4. Step 4: Simplify right side
    23,574.36x = 675,163,753.48
  5. Step 5: Solve for x
    x = 675,163,753.48/23,574.36
  6. Step 6: Final answer
    x = 28,639.75

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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.