Home / 13,392.04-18,482.94-8,087.62

Finding the Fourth Proportional to 13,392.04, 18,482.94 and 8,087.62

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Solution

The fourth proportional to 13,392.04, 18,482.94 and 8,087.62 is: 11,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.04 : 18,482.94 = 8,087.62 : x
  2. Step 2: Convert to fraction form
    13,392.04/18,482.94 = 8,087.62/x
  3. Step 3: Cross multiply
    13,392.04x = 18,482.94 × 8,087.62
  4. Step 4: Simplify right side
    13,392.04x = 149,482,995.20
  5. Step 5: Solve for x
    x = 149,482,995.20/13,392.04
  6. Step 6: Final answer
    x = 11,162.08

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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.