Home / 25,553.13-38,316.74-11,690.25

Finding the Fourth Proportional to 25,553.13, 38,316.74 and 11,690.25

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Solution

The fourth proportional to 25,553.13, 38,316.74 and 11,690.25 is: 17,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.13 : 38,316.74 = 11,690.25 : x
  2. Step 2: Convert to fraction form
    25,553.13/38,316.74 = 11,690.25/x
  3. Step 3: Cross multiply
    25,553.13x = 38,316.74 × 11,690.25
  4. Step 4: Simplify right side
    25,553.13x = 447,932,211.33
  5. Step 5: Solve for x
    x = 447,932,211.33/25,553.13
  6. Step 6: Final answer
    x = 17,529.45

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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.