Home / 14,558.05-20,102.71-13,810.70

Finding the Fourth Proportional to 14,558.05, 20,102.71 and 13,810.70

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Solution

The fourth proportional to 14,558.05, 20,102.71 and 13,810.70 is: 19,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.05 : 20,102.71 = 13,810.70 : x
  2. Step 2: Convert to fraction form
    14,558.05/20,102.71 = 13,810.70/x
  3. Step 3: Cross multiply
    14,558.05x = 20,102.71 × 13,810.70
  4. Step 4: Simplify right side
    14,558.05x = 277,632,499.78
  5. Step 5: Solve for x
    x = 277,632,499.78/14,558.05
  6. Step 6: Final answer
    x = 19,070.73

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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.