Home / 21,368.28-32,063.90-8,896.92

Finding the Fourth Proportional to 21,368.28, 32,063.90 and 8,896.92

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Solution

The fourth proportional to 21,368.28, 32,063.90 and 8,896.92 is: 13,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.28 : 32,063.90 = 8,896.92 : x
  2. Step 2: Convert to fraction form
    21,368.28/32,063.90 = 8,896.92/x
  3. Step 3: Cross multiply
    21,368.28x = 32,063.90 × 8,896.92
  4. Step 4: Simplify right side
    21,368.28x = 285,269,953.19
  5. Step 5: Solve for x
    x = 285,269,953.19/21,368.28
  6. Step 6: Final answer
    x = 13,350.16

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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.