Home / 14,725.22-20,333.06-13,656.76

Finding the Fourth Proportional to 14,725.22, 20,333.06 and 13,656.76

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Solution

The fourth proportional to 14,725.22, 20,333.06 and 13,656.76 is: 18,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.22 : 20,333.06 = 13,656.76 : x
  2. Step 2: Convert to fraction form
    14,725.22/20,333.06 = 13,656.76/x
  3. Step 3: Cross multiply
    14,725.22x = 20,333.06 × 13,656.76
  4. Step 4: Simplify right side
    14,725.22x = 277,683,652.58
  5. Step 5: Solve for x
    x = 277,683,652.58/14,725.22
  6. Step 6: Final answer
    x = 18,857.70

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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.