Home / 19,608.30-29,412.45-13,013.10

Finding the Fourth Proportional to 19,608.30, 29,412.45 and 13,013.10

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Solution

The fourth proportional to 19,608.30, 29,412.45 and 13,013.10 is: 19,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.30 : 29,412.45 = 13,013.10 : x
  2. Step 2: Convert to fraction form
    19,608.30/29,412.45 = 13,013.10/x
  3. Step 3: Cross multiply
    19,608.30x = 29,412.45 × 13,013.10
  4. Step 4: Simplify right side
    19,608.30x = 382,747,153.10
  5. Step 5: Solve for x
    x = 382,747,153.10/19,608.30
  6. Step 6: Final answer
    x = 19,519.65

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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.