Home / 21,885.48-32,779.62-10,163.16

Finding the Fourth Proportional to 21,885.48, 32,779.62 and 10,163.16

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Solution

The fourth proportional to 21,885.48, 32,779.62 and 10,163.16 is: 15,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.48 : 32,779.62 = 10,163.16 : x
  2. Step 2: Convert to fraction form
    21,885.48/32,779.62 = 10,163.16/x
  3. Step 3: Cross multiply
    21,885.48x = 32,779.62 × 10,163.16
  4. Step 4: Simplify right side
    21,885.48x = 333,144,522.80
  5. Step 5: Solve for x
    x = 333,144,522.80/21,885.48
  6. Step 6: Final answer
    x = 15,222.17

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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.