Home / 25,451.63-38,164.40-13,450.23

Finding the Fourth Proportional to 25,451.63, 38,164.40 and 13,450.23

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Solution

The fourth proportional to 25,451.63, 38,164.40 and 13,450.23 is: 20,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.63 : 38,164.40 = 13,450.23 : x
  2. Step 2: Convert to fraction form
    25,451.63/38,164.40 = 13,450.23/x
  3. Step 3: Cross multiply
    25,451.63x = 38,164.40 × 13,450.23
  4. Step 4: Simplify right side
    25,451.63x = 513,319,890.56
  5. Step 5: Solve for x
    x = 513,319,890.56/25,451.63
  6. Step 6: Final answer
    x = 20,168.45

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Double scale
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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.