Home / 13,236.04-18,267.42-7,645.96

Finding the Fourth Proportional to 13,236.04, 18,267.42 and 7,645.96

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Solution

The fourth proportional to 13,236.04, 18,267.42 and 7,645.96 is: 10,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.04 : 18,267.42 = 7,645.96 : x
  2. Step 2: Convert to fraction form
    13,236.04/18,267.42 = 7,645.96/x
  3. Step 3: Cross multiply
    13,236.04x = 18,267.42 × 7,645.96
  4. Step 4: Simplify right side
    13,236.04x = 139,671,962.62
  5. Step 5: Solve for x
    x = 139,671,962.62/13,236.04
  6. Step 6: Final answer
    x = 10,552.40

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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.