Home / 13,341.36-18,407.88-8,624.73

Finding the Fourth Proportional to 13,341.36, 18,407.88 and 8,624.73

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Solution

The fourth proportional to 13,341.36, 18,407.88 and 8,624.73 is: 11,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.36 : 18,407.88 = 8,624.73 : x
  2. Step 2: Convert to fraction form
    13,341.36/18,407.88 = 8,624.73/x
  3. Step 3: Cross multiply
    13,341.36x = 18,407.88 × 8,624.73
  4. Step 4: Simplify right side
    13,341.36x = 158,762,994.87
  5. Step 5: Solve for x
    x = 158,762,994.87/13,341.36
  6. Step 6: Final answer
    x = 11,900.06

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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.