Home / 25,176.12-34,739.10-13,998.12

Finding the Fourth Proportional to 25,176.12, 34,739.10 and 13,998.12

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Solution

The fourth proportional to 25,176.12, 34,739.10 and 13,998.12 is: 19,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.12 : 34,739.10 = 13,998.12 : x
  2. Step 2: Convert to fraction form
    25,176.12/34,739.10 = 13,998.12/x
  3. Step 3: Cross multiply
    25,176.12x = 34,739.10 × 13,998.12
  4. Step 4: Simplify right side
    25,176.12x = 486,282,090.49
  5. Step 5: Solve for x
    x = 486,282,090.49/25,176.12
  6. Step 6: Final answer
    x = 19,315.21

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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.