Home / 14,535.28-20,057.98-8,161.08

Finding the Fourth Proportional to 14,535.28, 20,057.98 and 8,161.08

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Solution

The fourth proportional to 14,535.28, 20,057.98 and 8,161.08 is: 11,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.28 : 20,057.98 = 8,161.08 : x
  2. Step 2: Convert to fraction form
    14,535.28/20,057.98 = 8,161.08/x
  3. Step 3: Cross multiply
    14,535.28x = 20,057.98 × 8,161.08
  4. Step 4: Simplify right side
    14,535.28x = 163,694,779.42
  5. Step 5: Solve for x
    x = 163,694,779.42/14,535.28
  6. Step 6: Final answer
    x = 11,261.89

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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.