Home / 13,833.40-19,090.11-7,545.88

Finding the Fourth Proportional to 13,833.40, 19,090.11 and 7,545.88

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Solution

The fourth proportional to 13,833.40, 19,090.11 and 7,545.88 is: 10,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.40 : 19,090.11 = 7,545.88 : x
  2. Step 2: Convert to fraction form
    13,833.40/19,090.11 = 7,545.88/x
  3. Step 3: Cross multiply
    13,833.40x = 19,090.11 × 7,545.88
  4. Step 4: Simplify right side
    13,833.40x = 144,051,679.25
  5. Step 5: Solve for x
    x = 144,051,679.25/13,833.40
  6. Step 6: Final answer
    x = 10,413.32

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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.