Home / 22,982.81-31,729.57-15,038.89

Finding the Fourth Proportional to 22,982.81, 31,729.57 and 15,038.89

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Solution

The fourth proportional to 22,982.81, 31,729.57 and 15,038.89 is: 20,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.81 : 31,729.57 = 15,038.89 : x
  2. Step 2: Convert to fraction form
    22,982.81/31,729.57 = 15,038.89/x
  3. Step 3: Cross multiply
    22,982.81x = 31,729.57 × 15,038.89
  4. Step 4: Simplify right side
    22,982.81x = 477,177,396.06
  5. Step 5: Solve for x
    x = 477,177,396.06/22,982.81
  6. Step 6: Final answer
    x = 20,762.37

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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.