Home / 47,005.22-70,514.43-13,727.72

Finding the Fourth Proportional to 47,005.22, 70,514.43 and 13,727.72

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Solution

The fourth proportional to 47,005.22, 70,514.43 and 13,727.72 is: 20,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.22 : 70,514.43 = 13,727.72 : x
  2. Step 2: Convert to fraction form
    47,005.22/70,514.43 = 13,727.72/x
  3. Step 3: Cross multiply
    47,005.22x = 70,514.43 × 13,727.72
  4. Step 4: Simplify right side
    47,005.22x = 968,001,929.79
  5. Step 5: Solve for x
    x = 968,001,929.79/47,005.22
  6. Step 6: Final answer
    x = 20,593.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.