Home / 14,376.59-19,838.63-8,087.75

Finding the Fourth Proportional to 14,376.59, 19,838.63 and 8,087.75

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Solution

The fourth proportional to 14,376.59, 19,838.63 and 8,087.75 is: 11,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.59 : 19,838.63 = 8,087.75 : x
  2. Step 2: Convert to fraction form
    14,376.59/19,838.63 = 8,087.75/x
  3. Step 3: Cross multiply
    14,376.59x = 19,838.63 × 8,087.75
  4. Step 4: Simplify right side
    14,376.59x = 160,449,839.34
  5. Step 5: Solve for x
    x = 160,449,839.34/14,376.59
  6. Step 6: Final answer
    x = 11,160.49

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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.