Home / 21,528.14-32,245.34-10,411.38

Finding the Fourth Proportional to 21,528.14, 32,245.34 and 10,411.38

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Solution

The fourth proportional to 21,528.14, 32,245.34 and 10,411.38 is: 15,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.14 : 32,245.34 = 10,411.38 : x
  2. Step 2: Convert to fraction form
    21,528.14/32,245.34 = 10,411.38/x
  3. Step 3: Cross multiply
    21,528.14x = 32,245.34 × 10,411.38
  4. Step 4: Simplify right side
    21,528.14x = 335,718,435.91
  5. Step 5: Solve for x
    x = 335,718,435.91/21,528.14
  6. Step 6: Final answer
    x = 15,594.40

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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.