Home / 12,867.54-19,296.45-5,475.48

Finding the Fourth Proportional to 12,867.54, 19,296.45 and 5,475.48

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Solution

The fourth proportional to 12,867.54, 19,296.45 and 5,475.48 is: 8,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.54 : 19,296.45 = 5,475.48 : x
  2. Step 2: Convert to fraction form
    12,867.54/19,296.45 = 5,475.48/x
  3. Step 3: Cross multiply
    12,867.54x = 19,296.45 × 5,475.48
  4. Step 4: Simplify right side
    12,867.54x = 105,657,326.05
  5. Step 5: Solve for x
    x = 105,657,326.05/12,867.54
  6. Step 6: Final answer
    x = 8,211.15

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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.