Home / 20,133.24-30,175.08-6,970.32

Finding the Fourth Proportional to 20,133.24, 30,175.08 and 6,970.32

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Solution

The fourth proportional to 20,133.24, 30,175.08 and 6,970.32 is: 10,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.24 : 30,175.08 = 6,970.32 : x
  2. Step 2: Convert to fraction form
    20,133.24/30,175.08 = 6,970.32/x
  3. Step 3: Cross multiply
    20,133.24x = 30,175.08 × 6,970.32
  4. Step 4: Simplify right side
    20,133.24x = 210,329,963.63
  5. Step 5: Solve for x
    x = 210,329,963.63/20,133.24
  6. Step 6: Final answer
    x = 10,446.90

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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.