Home / 13,154.68-19,722.30-4,830.32

Finding the Fourth Proportional to 13,154.68, 19,722.30 and 4,830.32

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Solution

The fourth proportional to 13,154.68, 19,722.30 and 4,830.32 is: 7,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.68 : 19,722.30 = 4,830.32 : x
  2. Step 2: Convert to fraction form
    13,154.68/19,722.30 = 4,830.32/x
  3. Step 3: Cross multiply
    13,154.68x = 19,722.30 × 4,830.32
  4. Step 4: Simplify right side
    13,154.68x = 95,265,020.14
  5. Step 5: Solve for x
    x = 95,265,020.14/13,154.68
  6. Step 6: Final answer
    x = 7,241.91

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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.