Home / 13,069.36-18,036.12-7,482.16

Finding the Fourth Proportional to 13,069.36, 18,036.12 and 7,482.16

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Solution

The fourth proportional to 13,069.36, 18,036.12 and 7,482.16 is: 10,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.36 : 18,036.12 = 7,482.16 : x
  2. Step 2: Convert to fraction form
    13,069.36/18,036.12 = 7,482.16/x
  3. Step 3: Cross multiply
    13,069.36x = 18,036.12 × 7,482.16
  4. Step 4: Simplify right side
    13,069.36x = 134,949,135.62
  5. Step 5: Solve for x
    x = 134,949,135.62/13,069.36
  6. Step 6: Final answer
    x = 10,325.61

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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.