Home / 13,667.12-20,511.81-7,095.18

Finding the Fourth Proportional to 13,667.12, 20,511.81 and 7,095.18

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Solution

The fourth proportional to 13,667.12, 20,511.81 and 7,095.18 is: 10,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.12 : 20,511.81 = 7,095.18 : x
  2. Step 2: Convert to fraction form
    13,667.12/20,511.81 = 7,095.18/x
  3. Step 3: Cross multiply
    13,667.12x = 20,511.81 × 7,095.18
  4. Step 4: Simplify right side
    13,667.12x = 145,534,984.08
  5. Step 5: Solve for x
    x = 145,534,984.08/13,667.12
  6. Step 6: Final answer
    x = 10,648.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.