Home / 15,986.93-23,980.34-4,300.16

Finding the Fourth Proportional to 15,986.93, 23,980.34 and 4,300.16

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Solution

The fourth proportional to 15,986.93, 23,980.34 and 4,300.16 is: 6,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.93 : 23,980.34 = 4,300.16 : x
  2. Step 2: Convert to fraction form
    15,986.93/23,980.34 = 4,300.16/x
  3. Step 3: Cross multiply
    15,986.93x = 23,980.34 × 4,300.16
  4. Step 4: Simplify right side
    15,986.93x = 103,119,189.70
  5. Step 5: Solve for x
    x = 103,119,189.70/15,986.93
  6. Step 6: Final answer
    x = 6,450.22

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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.