Home / 14,675.31-20,254.32-8,709.03

Finding the Fourth Proportional to 14,675.31, 20,254.32 and 8,709.03

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Solution

The fourth proportional to 14,675.31, 20,254.32 and 8,709.03 is: 12,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.31 : 20,254.32 = 8,709.03 : x
  2. Step 2: Convert to fraction form
    14,675.31/20,254.32 = 8,709.03/x
  3. Step 3: Cross multiply
    14,675.31x = 20,254.32 × 8,709.03
  4. Step 4: Simplify right side
    14,675.31x = 176,395,480.51
  5. Step 5: Solve for x
    x = 176,395,480.51/14,675.31
  6. Step 6: Final answer
    x = 12,019.88

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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.