Home / 15,670.80-23,506.56-3,984.12

Finding the Fourth Proportional to 15,670.80, 23,506.56 and 3,984.12

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Solution

The fourth proportional to 15,670.80, 23,506.56 and 3,984.12 is: 5,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.80 : 23,506.56 = 3,984.12 : x
  2. Step 2: Convert to fraction form
    15,670.80/23,506.56 = 3,984.12/x
  3. Step 3: Cross multiply
    15,670.80x = 23,506.56 × 3,984.12
  4. Step 4: Simplify right side
    15,670.80x = 93,652,955.83
  5. Step 5: Solve for x
    x = 93,652,955.83/15,670.80
  6. Step 6: Final answer
    x = 5,976.27

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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.