Home / 13,948.22-19,248.62-7,575.05

Finding the Fourth Proportional to 13,948.22, 19,248.62 and 7,575.05

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Solution

The fourth proportional to 13,948.22, 19,248.62 and 7,575.05 is: 10,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.22 : 19,248.62 = 7,575.05 : x
  2. Step 2: Convert to fraction form
    13,948.22/19,248.62 = 7,575.05/x
  3. Step 3: Cross multiply
    13,948.22x = 19,248.62 × 7,575.05
  4. Step 4: Simplify right side
    13,948.22x = 145,809,311.79
  5. Step 5: Solve for x
    x = 145,809,311.79/13,948.22
  6. Step 6: Final answer
    x = 10,453.62

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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.