Home / 12,825.28-19,235.22-4,925.26

Finding the Fourth Proportional to 12,825.28, 19,235.22 and 4,925.26

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Solution

The fourth proportional to 12,825.28, 19,235.22 and 4,925.26 is: 7,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.28 : 19,235.22 = 4,925.26 : x
  2. Step 2: Convert to fraction form
    12,825.28/19,235.22 = 4,925.26/x
  3. Step 3: Cross multiply
    12,825.28x = 19,235.22 × 4,925.26
  4. Step 4: Simplify right side
    12,825.28x = 94,738,459.66
  5. Step 5: Solve for x
    x = 94,738,459.66/12,825.28
  6. Step 6: Final answer
    x = 7,386.85

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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.