Home / 25,683.12-38,455.44-16,776.39

Finding the Fourth Proportional to 25,683.12, 38,455.44 and 16,776.39

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Solution

The fourth proportional to 25,683.12, 38,455.44 and 16,776.39 is: 25,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.12 : 38,455.44 = 16,776.39 : x
  2. Step 2: Convert to fraction form
    25,683.12/38,455.44 = 16,776.39/x
  3. Step 3: Cross multiply
    25,683.12x = 38,455.44 × 16,776.39
  4. Step 4: Simplify right side
    25,683.12x = 645,143,459.06
  5. Step 5: Solve for x
    x = 645,143,459.06/25,683.12
  6. Step 6: Final answer
    x = 25,119.36

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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.