Home / 25,212.72-34,789.16-14,600.64

Finding the Fourth Proportional to 25,212.72, 34,789.16 and 14,600.64

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Solution

The fourth proportional to 25,212.72, 34,789.16 and 14,600.64 is: 20,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.72 : 34,789.16 = 14,600.64 : x
  2. Step 2: Convert to fraction form
    25,212.72/34,789.16 = 14,600.64/x
  3. Step 3: Cross multiply
    25,212.72x = 34,789.16 × 14,600.64
  4. Step 4: Simplify right side
    25,212.72x = 507,944,001.06
  5. Step 5: Solve for x
    x = 507,944,001.06/25,212.72
  6. Step 6: Final answer
    x = 20,146.34

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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.