Home / 13,986.41-19,300.95-7,612.89

Finding the Fourth Proportional to 13,986.41, 19,300.95 and 7,612.89

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Solution

The fourth proportional to 13,986.41, 19,300.95 and 7,612.89 is: 10,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.41 : 19,300.95 = 7,612.89 : x
  2. Step 2: Convert to fraction form
    13,986.41/19,300.95 = 7,612.89/x
  3. Step 3: Cross multiply
    13,986.41x = 19,300.95 × 7,612.89
  4. Step 4: Simplify right side
    13,986.41x = 146,936,009.25
  5. Step 5: Solve for x
    x = 146,936,009.25/13,986.41
  6. Step 6: Final answer
    x = 10,505.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.