Home / 14,082.44-19,430.31-8,630.02

Finding the Fourth Proportional to 14,082.44, 19,430.31 and 8,630.02

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Solution

The fourth proportional to 14,082.44, 19,430.31 and 8,630.02 is: 11,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.44 : 19,430.31 = 8,630.02 : x
  2. Step 2: Convert to fraction form
    14,082.44/19,430.31 = 8,630.02/x
  3. Step 3: Cross multiply
    14,082.44x = 19,430.31 × 8,630.02
  4. Step 4: Simplify right side
    14,082.44x = 167,683,963.91
  5. Step 5: Solve for x
    x = 167,683,963.91/14,082.44
  6. Step 6: Final answer
    x = 11,907.31

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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.