Home / 13,927.55-19,219.96-7,554.12

Finding the Fourth Proportional to 13,927.55, 19,219.96 and 7,554.12

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Solution

The fourth proportional to 13,927.55, 19,219.96 and 7,554.12 is: 10,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.55 : 19,219.96 = 7,554.12 : x
  2. Step 2: Convert to fraction form
    13,927.55/19,219.96 = 7,554.12/x
  3. Step 3: Cross multiply
    13,927.55x = 19,219.96 × 7,554.12
  4. Step 4: Simplify right side
    13,927.55x = 145,189,788.14
  5. Step 5: Solve for x
    x = 145,189,788.14/13,927.55
  6. Step 6: Final answer
    x = 10,424.65

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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.