Home / 43,102.12-64,653.18-13,522.32

Finding the Fourth Proportional to 43,102.12, 64,653.18 and 13,522.32

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Solution

The fourth proportional to 43,102.12, 64,653.18 and 13,522.32 is: 20,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.12 : 64,653.18 = 13,522.32 : x
  2. Step 2: Convert to fraction form
    43,102.12/64,653.18 = 13,522.32/x
  3. Step 3: Cross multiply
    43,102.12x = 64,653.18 × 13,522.32
  4. Step 4: Simplify right side
    43,102.12x = 874,260,988.98
  5. Step 5: Solve for x
    x = 874,260,988.98/43,102.12
  6. Step 6: Final answer
    x = 20,283.48

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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.