Home / 14,117.96-19,482.02-8,149.28

Finding the Fourth Proportional to 14,117.96, 19,482.02 and 8,149.28

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Solution

The fourth proportional to 14,117.96, 19,482.02 and 8,149.28 is: 11,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.96 : 19,482.02 = 8,149.28 : x
  2. Step 2: Convert to fraction form
    14,117.96/19,482.02 = 8,149.28/x
  3. Step 3: Cross multiply
    14,117.96x = 19,482.02 × 8,149.28
  4. Step 4: Simplify right side
    14,117.96x = 158,764,328.35
  5. Step 5: Solve for x
    x = 158,764,328.35/14,117.96
  6. Step 6: Final answer
    x = 11,245.56

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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.