Home / 16,803.51-25,189.66-7,438.53

Finding the Fourth Proportional to 16,803.51, 25,189.66 and 7,438.53

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Solution

The fourth proportional to 16,803.51, 25,189.66 and 7,438.53 is: 11,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.51 : 25,189.66 = 7,438.53 : x
  2. Step 2: Convert to fraction form
    16,803.51/25,189.66 = 7,438.53/x
  3. Step 3: Cross multiply
    16,803.51x = 25,189.66 × 7,438.53
  4. Step 4: Simplify right side
    16,803.51x = 187,374,041.60
  5. Step 5: Solve for x
    x = 187,374,041.60/16,803.51
  6. Step 6: Final answer
    x = 11,150.89

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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.