Home / 14,902.90-20,567.79-8,937.85

Finding the Fourth Proportional to 14,902.90, 20,567.79 and 8,937.85

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Solution

The fourth proportional to 14,902.90, 20,567.79 and 8,937.85 is: 12,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.90 : 20,567.79 = 8,937.85 : x
  2. Step 2: Convert to fraction form
    14,902.90/20,567.79 = 8,937.85/x
  3. Step 3: Cross multiply
    14,902.90x = 20,567.79 × 8,937.85
  4. Step 4: Simplify right side
    14,902.90x = 183,831,821.85
  5. Step 5: Solve for x
    x = 183,831,821.85/14,902.90
  6. Step 6: Final answer
    x = 12,335.31

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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.