Home / 21,653.25-32,455.09-9,816.04

Finding the Fourth Proportional to 21,653.25, 32,455.09 and 9,816.04

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Solution

The fourth proportional to 21,653.25, 32,455.09 and 9,816.04 is: 14,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.25 : 32,455.09 = 9,816.04 : x
  2. Step 2: Convert to fraction form
    21,653.25/32,455.09 = 9,816.04/x
  3. Step 3: Cross multiply
    21,653.25x = 32,455.09 × 9,816.04
  4. Step 4: Simplify right side
    21,653.25x = 318,580,461.64
  5. Step 5: Solve for x
    x = 318,580,461.64/21,653.25
  6. Step 6: Final answer
    x = 14,712.82

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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.