Home / 30,786.60-46,160.64-13,008.06

Finding the Fourth Proportional to 30,786.60, 46,160.64 and 13,008.06

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Solution

The fourth proportional to 30,786.60, 46,160.64 and 13,008.06 is: 19,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.60 : 46,160.64 = 13,008.06 : x
  2. Step 2: Convert to fraction form
    30,786.60/46,160.64 = 13,008.06/x
  3. Step 3: Cross multiply
    30,786.60x = 46,160.64 × 13,008.06
  4. Step 4: Simplify right side
    30,786.60x = 600,460,374.76
  5. Step 5: Solve for x
    x = 600,460,374.76/30,786.60
  6. Step 6: Final answer
    x = 19,503.95

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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.