Home / 21,749.04-32,618.70-10,644.60

Finding the Fourth Proportional to 21,749.04, 32,618.70 and 10,644.60

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Solution

The fourth proportional to 21,749.04, 32,618.70 and 10,644.60 is: 15,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.04 : 32,618.70 = 10,644.60 : x
  2. Step 2: Convert to fraction form
    21,749.04/32,618.70 = 10,644.60/x
  3. Step 3: Cross multiply
    21,749.04x = 32,618.70 × 10,644.60
  4. Step 4: Simplify right side
    21,749.04x = 347,213,014.02
  5. Step 5: Solve for x
    x = 347,213,014.02/21,749.04
  6. Step 6: Final answer
    x = 15,964.52

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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.