Home / 13,482.12-20,208.57-6,899.28

Finding the Fourth Proportional to 13,482.12, 20,208.57 and 6,899.28

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Solution

The fourth proportional to 13,482.12, 20,208.57 and 6,899.28 is: 10,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.12 : 20,208.57 = 6,899.28 : x
  2. Step 2: Convert to fraction form
    13,482.12/20,208.57 = 6,899.28/x
  3. Step 3: Cross multiply
    13,482.12x = 20,208.57 × 6,899.28
  4. Step 4: Simplify right side
    13,482.12x = 139,424,582.83
  5. Step 5: Solve for x
    x = 139,424,582.83/13,482.12
  6. Step 6: Final answer
    x = 10,341.44

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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.