Home / 22,270.96-30,712.71-13,317.01

Finding the Fourth Proportional to 22,270.96, 30,712.71 and 13,317.01

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Solution

The fourth proportional to 22,270.96, 30,712.71 and 13,317.01 is: 18,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.96 : 30,712.71 = 13,317.01 : x
  2. Step 2: Convert to fraction form
    22,270.96/30,712.71 = 13,317.01/x
  3. Step 3: Cross multiply
    22,270.96x = 30,712.71 × 13,317.01
  4. Step 4: Simplify right side
    22,270.96x = 409,001,466.20
  5. Step 5: Solve for x
    x = 409,001,466.20/22,270.96
  6. Step 6: Final answer
    x = 18,364.79

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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.