Home / 21,631.42-32,435.52-11,097.10

Finding the Fourth Proportional to 21,631.42, 32,435.52 and 11,097.10

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Solution

The fourth proportional to 21,631.42, 32,435.52 and 11,097.10 is: 16,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.42 : 32,435.52 = 11,097.10 : x
  2. Step 2: Convert to fraction form
    21,631.42/32,435.52 = 11,097.10/x
  3. Step 3: Cross multiply
    21,631.42x = 32,435.52 × 11,097.10
  4. Step 4: Simplify right side
    21,631.42x = 359,940,208.99
  5. Step 5: Solve for x
    x = 359,940,208.99/21,631.42
  6. Step 6: Final answer
    x = 16,639.69

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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.