Home / 13,342.86-20,014.32-3,482.12

Finding the Fourth Proportional to 13,342.86, 20,014.32 and 3,482.12

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Solution

The fourth proportional to 13,342.86, 20,014.32 and 3,482.12 is: 5,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.86 : 20,014.32 = 3,482.12 : x
  2. Step 2: Convert to fraction form
    13,342.86/20,014.32 = 3,482.12/x
  3. Step 3: Cross multiply
    13,342.86x = 20,014.32 × 3,482.12
  4. Step 4: Simplify right side
    13,342.86x = 69,692,263.96
  5. Step 5: Solve for x
    x = 69,692,263.96/13,342.86
  6. Step 6: Final answer
    x = 5,223.19

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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.