Home / 22,282.19-30,749.42-13,330.07

Finding the Fourth Proportional to 22,282.19, 30,749.42 and 13,330.07

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Solution

The fourth proportional to 22,282.19, 30,749.42 and 13,330.07 is: 18,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.19 : 30,749.42 = 13,330.07 : x
  2. Step 2: Convert to fraction form
    22,282.19/30,749.42 = 13,330.07/x
  3. Step 3: Cross multiply
    22,282.19x = 30,749.42 × 13,330.07
  4. Step 4: Simplify right side
    22,282.19x = 409,891,827.52
  5. Step 5: Solve for x
    x = 409,891,827.52/22,282.19
  6. Step 6: Final answer
    x = 18,395.49

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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.