Home / 14,856.96-20,502.56-8,890.04

Finding the Fourth Proportional to 14,856.96, 20,502.56 and 8,890.04

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Solution

The fourth proportional to 14,856.96, 20,502.56 and 8,890.04 is: 12,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.96 : 20,502.56 = 8,890.04 : x
  2. Step 2: Convert to fraction form
    14,856.96/20,502.56 = 8,890.04/x
  3. Step 3: Cross multiply
    14,856.96x = 20,502.56 × 8,890.04
  4. Step 4: Simplify right side
    14,856.96x = 182,268,560.64
  5. Step 5: Solve for x
    x = 182,268,560.64/14,856.96
  6. Step 6: Final answer
    x = 12,268.22

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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.