Home / 14,630.10-20,185.65-8,342.34

Finding the Fourth Proportional to 14,630.10, 20,185.65 and 8,342.34

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Solution

The fourth proportional to 14,630.10, 20,185.65 and 8,342.34 is: 11,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.10 : 20,185.65 = 8,342.34 : x
  2. Step 2: Convert to fraction form
    14,630.10/20,185.65 = 8,342.34/x
  3. Step 3: Cross multiply
    14,630.10x = 20,185.65 × 8,342.34
  4. Step 4: Simplify right side
    14,630.10x = 168,395,555.42
  5. Step 5: Solve for x
    x = 168,395,555.42/14,630.10
  6. Step 6: Final answer
    x = 11,510.21

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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.