Home / 14,675.42-20,248.92-8,709.06

Finding the Fourth Proportional to 14,675.42, 20,248.92 and 8,709.06

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Solution

The fourth proportional to 14,675.42, 20,248.92 and 8,709.06 is: 12,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.42 : 20,248.92 = 8,709.06 : x
  2. Step 2: Convert to fraction form
    14,675.42/20,248.92 = 8,709.06/x
  3. Step 3: Cross multiply
    14,675.42x = 20,248.92 × 8,709.06
  4. Step 4: Simplify right side
    14,675.42x = 176,349,059.22
  5. Step 5: Solve for x
    x = 176,349,059.22/14,675.42
  6. Step 6: Final answer
    x = 12,016.63

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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.