Home / 14,376.05-19,838.93-8,406.53

Finding the Fourth Proportional to 14,376.05, 19,838.93 and 8,406.53

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Solution

The fourth proportional to 14,376.05, 19,838.93 and 8,406.53 is: 11,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.05 : 19,838.93 = 8,406.53 : x
  2. Step 2: Convert to fraction form
    14,376.05/19,838.93 = 8,406.53/x
  3. Step 3: Cross multiply
    14,376.05x = 19,838.93 × 8,406.53
  4. Step 4: Simplify right side
    14,376.05x = 166,776,418.99
  5. Step 5: Solve for x
    x = 166,776,418.99/14,376.05
  6. Step 6: Final answer
    x = 11,600.99

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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.