Home / 14,220.36-19,625.20-7,848.22

Finding the Fourth Proportional to 14,220.36, 19,625.20 and 7,848.22

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Solution

The fourth proportional to 14,220.36, 19,625.20 and 7,848.22 is: 10,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.36 : 19,625.20 = 7,848.22 : x
  2. Step 2: Convert to fraction form
    14,220.36/19,625.20 = 7,848.22/x
  3. Step 3: Cross multiply
    14,220.36x = 19,625.20 × 7,848.22
  4. Step 4: Simplify right side
    14,220.36x = 154,022,749.78
  5. Step 5: Solve for x
    x = 154,022,749.78/14,220.36
  6. Step 6: Final answer
    x = 10,831.15

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Double scale
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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.