Home / 12,925.44-19,377.36-12,313.08

Finding the Fourth Proportional to 12,925.44, 19,377.36 and 12,313.08

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Solution

The fourth proportional to 12,925.44, 19,377.36 and 12,313.08 is: 18,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.44 : 19,377.36 = 12,313.08 : x
  2. Step 2: Convert to fraction form
    12,925.44/19,377.36 = 12,313.08/x
  3. Step 3: Cross multiply
    12,925.44x = 19,377.36 × 12,313.08
  4. Step 4: Simplify right side
    12,925.44x = 238,594,983.87
  5. Step 5: Solve for x
    x = 238,594,983.87/12,925.44
  6. Step 6: Final answer
    x = 18,459.33

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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.