Home / 13,929.98-20,880.27-4,567.55

Finding the Fourth Proportional to 13,929.98, 20,880.27 and 4,567.55

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Solution

The fourth proportional to 13,929.98, 20,880.27 and 4,567.55 is: 6,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.98 : 20,880.27 = 4,567.55 : x
  2. Step 2: Convert to fraction form
    13,929.98/20,880.27 = 4,567.55/x
  3. Step 3: Cross multiply
    13,929.98x = 20,880.27 × 4,567.55
  4. Step 4: Simplify right side
    13,929.98x = 95,371,572.84
  5. Step 5: Solve for x
    x = 95,371,572.84/13,929.98
  6. Step 6: Final answer
    x = 6,846.50

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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.