Home / 14,272.36-19,700.34-10,021.48

Finding the Fourth Proportional to 14,272.36, 19,700.34 and 10,021.48

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Solution

The fourth proportional to 14,272.36, 19,700.34 and 10,021.48 is: 13,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.36 : 19,700.34 = 10,021.48 : x
  2. Step 2: Convert to fraction form
    14,272.36/19,700.34 = 10,021.48/x
  3. Step 3: Cross multiply
    14,272.36x = 19,700.34 × 10,021.48
  4. Step 4: Simplify right side
    14,272.36x = 197,426,563.30
  5. Step 5: Solve for x
    x = 197,426,563.30/14,272.36
  6. Step 6: Final answer
    x = 13,832.79

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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.