Home / 38,378.99-57,577.62-12,083.51

Finding the Fourth Proportional to 38,378.99, 57,577.62 and 12,083.51

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Solution

The fourth proportional to 38,378.99, 57,577.62 and 12,083.51 is: 18,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.99 : 57,577.62 = 12,083.51 : x
  2. Step 2: Convert to fraction form
    38,378.99/57,577.62 = 12,083.51/x
  3. Step 3: Cross multiply
    38,378.99x = 57,577.62 × 12,083.51
  4. Step 4: Simplify right side
    38,378.99x = 695,739,459.16
  5. Step 5: Solve for x
    x = 695,739,459.16/38,378.99
  6. Step 6: Final answer
    x = 18,128.14

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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.