Home / 13,832.90-19,089.42-7,545.38

Finding the Fourth Proportional to 13,832.90, 19,089.42 and 7,545.38

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Solution

The fourth proportional to 13,832.90, 19,089.42 and 7,545.38 is: 10,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.90 : 19,089.42 = 7,545.38 : x
  2. Step 2: Convert to fraction form
    13,832.90/19,089.42 = 7,545.38/x
  3. Step 3: Cross multiply
    13,832.90x = 19,089.42 × 7,545.38
  4. Step 4: Simplify right side
    13,832.90x = 144,036,927.88
  5. Step 5: Solve for x
    x = 144,036,927.88/13,832.90
  6. Step 6: Final answer
    x = 10,412.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.