Home / 23,271.76-32,077.69-15,715.68

Finding the Fourth Proportional to 23,271.76, 32,077.69 and 15,715.68

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Solution

The fourth proportional to 23,271.76, 32,077.69 and 15,715.68 is: 21,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.76 : 32,077.69 = 15,715.68 : x
  2. Step 2: Convert to fraction form
    23,271.76/32,077.69 = 15,715.68/x
  3. Step 3: Cross multiply
    23,271.76x = 32,077.69 × 15,715.68
  4. Step 4: Simplify right side
    23,271.76x = 504,122,551.60
  5. Step 5: Solve for x
    x = 504,122,551.60/23,271.76
  6. Step 6: Final answer
    x = 21,662.42

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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.