Home / 14,133.74-21,200.42-3,460.20

Finding the Fourth Proportional to 14,133.74, 21,200.42 and 3,460.20

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Solution

The fourth proportional to 14,133.74, 21,200.42 and 3,460.20 is: 5,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.74 : 21,200.42 = 3,460.20 : x
  2. Step 2: Convert to fraction form
    14,133.74/21,200.42 = 3,460.20/x
  3. Step 3: Cross multiply
    14,133.74x = 21,200.42 × 3,460.20
  4. Step 4: Simplify right side
    14,133.74x = 73,357,693.28
  5. Step 5: Solve for x
    x = 73,357,693.28/14,133.74
  6. Step 6: Final answer
    x = 5,190.25

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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.