Home / 14,914.87-20,582.57-8,541.55

Finding the Fourth Proportional to 14,914.87, 20,582.57 and 8,541.55

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Solution

The fourth proportional to 14,914.87, 20,582.57 and 8,541.55 is: 11,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.87 : 20,582.57 = 8,541.55 : x
  2. Step 2: Convert to fraction form
    14,914.87/20,582.57 = 8,541.55/x
  3. Step 3: Cross multiply
    14,914.87x = 20,582.57 × 8,541.55
  4. Step 4: Simplify right side
    14,914.87x = 175,807,050.78
  5. Step 5: Solve for x
    x = 175,807,050.78/14,914.87
  6. Step 6: Final answer
    x = 11,787.37

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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.