Home / 20,333.88-30,475.31-10,973.52

Finding the Fourth Proportional to 20,333.88, 30,475.31 and 10,973.52

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Solution

The fourth proportional to 20,333.88, 30,475.31 and 10,973.52 is: 16,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.88 : 30,475.31 = 10,973.52 : x
  2. Step 2: Convert to fraction form
    20,333.88/30,475.31 = 10,973.52/x
  3. Step 3: Cross multiply
    20,333.88x = 30,475.31 × 10,973.52
  4. Step 4: Simplify right side
    20,333.88x = 334,421,368.92
  5. Step 5: Solve for x
    x = 334,421,368.92/20,333.88
  6. Step 6: Final answer
    x = 16,446.51

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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.