Home / 21,973.76-32,960.64-10,295.20

Finding the Fourth Proportional to 21,973.76, 32,960.64 and 10,295.20

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Solution

The fourth proportional to 21,973.76, 32,960.64 and 10,295.20 is: 15,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.76 : 32,960.64 = 10,295.20 : x
  2. Step 2: Convert to fraction form
    21,973.76/32,960.64 = 10,295.20/x
  3. Step 3: Cross multiply
    21,973.76x = 32,960.64 × 10,295.20
  4. Step 4: Simplify right side
    21,973.76x = 339,336,380.93
  5. Step 5: Solve for x
    x = 339,336,380.93/21,973.76
  6. Step 6: Final answer
    x = 15,442.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.