Home / 14,657.68-20,226.39-8,607.28

Finding the Fourth Proportional to 14,657.68, 20,226.39 and 8,607.28

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Solution

The fourth proportional to 14,657.68, 20,226.39 and 8,607.28 is: 11,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.68 : 20,226.39 = 8,607.28 : x
  2. Step 2: Convert to fraction form
    14,657.68/20,226.39 = 8,607.28/x
  3. Step 3: Cross multiply
    14,657.68x = 20,226.39 × 8,607.28
  4. Step 4: Simplify right side
    14,657.68x = 174,094,202.12
  5. Step 5: Solve for x
    x = 174,094,202.12/14,657.68
  6. Step 6: Final answer
    x = 11,877.34

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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.