Home / 14,157.32-19,539.50-8,192.60

Finding the Fourth Proportional to 14,157.32, 19,539.50 and 8,192.60

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Solution

The fourth proportional to 14,157.32, 19,539.50 and 8,192.60 is: 11,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.32 : 19,539.50 = 8,192.60 : x
  2. Step 2: Convert to fraction form
    14,157.32/19,539.50 = 8,192.60/x
  3. Step 3: Cross multiply
    14,157.32x = 19,539.50 × 8,192.60
  4. Step 4: Simplify right side
    14,157.32x = 160,079,307.70
  5. Step 5: Solve for x
    x = 160,079,307.70/14,157.32
  6. Step 6: Final answer
    x = 11,307.18

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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.