Home / 30,662.81-46,008.74-12,897.36

Finding the Fourth Proportional to 30,662.81, 46,008.74 and 12,897.36

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Solution

The fourth proportional to 30,662.81, 46,008.74 and 12,897.36 is: 19,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662.81 : 46,008.74 = 12,897.36 : x
  2. Step 2: Convert to fraction form
    30,662.81/46,008.74 = 12,897.36/x
  3. Step 3: Cross multiply
    30,662.81x = 46,008.74 × 12,897.36
  4. Step 4: Simplify right side
    30,662.81x = 593,391,218.44
  5. Step 5: Solve for x
    x = 593,391,218.44/30,662.81
  6. Step 6: Final answer
    x = 19,352.15

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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.