Home / 13,817.73-19,068.56-7,530.11

Finding the Fourth Proportional to 13,817.73, 19,068.56 and 7,530.11

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Solution

The fourth proportional to 13,817.73, 19,068.56 and 7,530.11 is: 10,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.73 : 19,068.56 = 7,530.11 : x
  2. Step 2: Convert to fraction form
    13,817.73/19,068.56 = 7,530.11/x
  3. Step 3: Cross multiply
    13,817.73x = 19,068.56 × 7,530.11
  4. Step 4: Simplify right side
    13,817.73x = 143,588,221.35
  5. Step 5: Solve for x
    x = 143,588,221.35/13,817.73
  6. Step 6: Final answer
    x = 10,391.59

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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.