Home / 21,491.76-32,232.60-10,392.96

Finding the Fourth Proportional to 21,491.76, 32,232.60 and 10,392.96

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Solution

The fourth proportional to 21,491.76, 32,232.60 and 10,392.96 is: 15,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.76 : 32,232.60 = 10,392.96 : x
  2. Step 2: Convert to fraction form
    21,491.76/32,232.60 = 10,392.96/x
  3. Step 3: Cross multiply
    21,491.76x = 32,232.60 × 10,392.96
  4. Step 4: Simplify right side
    21,491.76x = 334,992,122.50
  5. Step 5: Solve for x
    x = 334,992,122.50/21,491.76
  6. Step 6: Final answer
    x = 15,587.00

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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.