Home / 14,158.89-19,541.43-8,190.45

Finding the Fourth Proportional to 14,158.89, 19,541.43 and 8,190.45

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Solution

The fourth proportional to 14,158.89, 19,541.43 and 8,190.45 is: 11,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.89 : 19,541.43 = 8,190.45 : x
  2. Step 2: Convert to fraction form
    14,158.89/19,541.43 = 8,190.45/x
  3. Step 3: Cross multiply
    14,158.89x = 19,541.43 × 8,190.45
  4. Step 4: Simplify right side
    14,158.89x = 160,053,105.34
  5. Step 5: Solve for x
    x = 160,053,105.34/14,158.89
  6. Step 6: Final answer
    x = 11,304.07

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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.