Home / 22,739.04-31,380.96-12,668.16

Finding the Fourth Proportional to 22,739.04, 31,380.96 and 12,668.16

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Solution

The fourth proportional to 22,739.04, 31,380.96 and 12,668.16 is: 17,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.04 : 31,380.96 = 12,668.16 : x
  2. Step 2: Convert to fraction form
    22,739.04/31,380.96 = 12,668.16/x
  3. Step 3: Cross multiply
    22,739.04x = 31,380.96 × 12,668.16
  4. Step 4: Simplify right side
    22,739.04x = 397,539,022.23
  5. Step 5: Solve for x
    x = 397,539,022.23/22,739.04
  6. Step 6: Final answer
    x = 17,482.67

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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.