Home / 20,199.22-30,303.45-6,160.51

Finding the Fourth Proportional to 20,199.22, 30,303.45 and 6,160.51

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Solution

The fourth proportional to 20,199.22, 30,303.45 and 6,160.51 is: 9,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.22 : 30,303.45 = 6,160.51 : x
  2. Step 2: Convert to fraction form
    20,199.22/30,303.45 = 6,160.51/x
  3. Step 3: Cross multiply
    20,199.22x = 30,303.45 × 6,160.51
  4. Step 4: Simplify right side
    20,199.22x = 186,684,706.76
  5. Step 5: Solve for x
    x = 186,684,706.76/20,199.22
  6. Step 6: Final answer
    x = 9,242.17

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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.