Home / 22,564.46-31,147.13-13,133.02

Finding the Fourth Proportional to 22,564.46, 31,147.13 and 13,133.02

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Solution

The fourth proportional to 22,564.46, 31,147.13 and 13,133.02 is: 18,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564.46 : 31,147.13 = 13,133.02 : x
  2. Step 2: Convert to fraction form
    22,564.46/31,147.13 = 13,133.02/x
  3. Step 3: Cross multiply
    22,564.46x = 31,147.13 × 13,133.02
  4. Step 4: Simplify right side
    22,564.46x = 409,055,881.23
  5. Step 5: Solve for x
    x = 409,055,881.23/22,564.46
  6. Step 6: Final answer
    x = 18,128.33

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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.