Home / 22,701.03-31,327.85-12,630.41

Finding the Fourth Proportional to 22,701.03, 31,327.85 and 12,630.41

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Solution

The fourth proportional to 22,701.03, 31,327.85 and 12,630.41 is: 17,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.03 : 31,327.85 = 12,630.41 : x
  2. Step 2: Convert to fraction form
    22,701.03/31,327.85 = 12,630.41/x
  3. Step 3: Cross multiply
    22,701.03x = 31,327.85 × 12,630.41
  4. Step 4: Simplify right side
    22,701.03x = 395,683,589.92
  5. Step 5: Solve for x
    x = 395,683,589.92/22,701.03
  6. Step 6: Final answer
    x = 17,430.20

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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.