Home / 13,817.34-19,068.39-7,529.94

Finding the Fourth Proportional to 13,817.34, 19,068.39 and 7,529.94

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Solution

The fourth proportional to 13,817.34, 19,068.39 and 7,529.94 is: 10,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.34 : 19,068.39 = 7,529.94 : x
  2. Step 2: Convert to fraction form
    13,817.34/19,068.39 = 7,529.94/x
  3. Step 3: Cross multiply
    13,817.34x = 19,068.39 × 7,529.94
  4. Step 4: Simplify right side
    13,817.34x = 143,583,832.60
  5. Step 5: Solve for x
    x = 143,583,832.60/13,817.34
  6. Step 6: Final answer
    x = 10,391.57

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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.