Home / 20,473.31-30,710.57-5,683.32

Finding the Fourth Proportional to 20,473.31, 30,710.57 and 5,683.32

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Solution

The fourth proportional to 20,473.31, 30,710.57 and 5,683.32 is: 8,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.31 : 30,710.57 = 5,683.32 : x
  2. Step 2: Convert to fraction form
    20,473.31/30,710.57 = 5,683.32/x
  3. Step 3: Cross multiply
    20,473.31x = 30,710.57 × 5,683.32
  4. Step 4: Simplify right side
    20,473.31x = 174,537,968.28
  5. Step 5: Solve for x
    x = 174,537,968.28/20,473.31
  6. Step 6: Final answer
    x = 8,525.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.