Home / 14,236.45-21,356.71-4,376.55

Finding the Fourth Proportional to 14,236.45, 21,356.71 and 4,376.55

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Solution

The fourth proportional to 14,236.45, 21,356.71 and 4,376.55 is: 6,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.45 : 21,356.71 = 4,376.55 : x
  2. Step 2: Convert to fraction form
    14,236.45/21,356.71 = 4,376.55/x
  3. Step 3: Cross multiply
    14,236.45x = 21,356.71 × 4,376.55
  4. Step 4: Simplify right side
    14,236.45x = 93,468,709.15
  5. Step 5: Solve for x
    x = 93,468,709.15/14,236.45
  6. Step 6: Final answer
    x = 6,565.45

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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.