Home / 13,743.45-20,577.74-9,574.65

Finding the Fourth Proportional to 13,743.45, 20,577.74 and 9,574.65

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Solution

The fourth proportional to 13,743.45, 20,577.74 and 9,574.65 is: 14,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.45 : 20,577.74 = 9,574.65 : x
  2. Step 2: Convert to fraction form
    13,743.45/20,577.74 = 9,574.65/x
  3. Step 3: Cross multiply
    13,743.45x = 20,577.74 × 9,574.65
  4. Step 4: Simplify right side
    13,743.45x = 197,024,610.42
  5. Step 5: Solve for x
    x = 197,024,610.42/13,743.45
  6. Step 6: Final answer
    x = 14,335.89

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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.