Home / 16,793.49-23,159.28-10,421.12

Finding the Fourth Proportional to 16,793.49, 23,159.28 and 10,421.12

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Solution

The fourth proportional to 16,793.49, 23,159.28 and 10,421.12 is: 14,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793.49 : 23,159.28 = 10,421.12 : x
  2. Step 2: Convert to fraction form
    16,793.49/23,159.28 = 10,421.12/x
  3. Step 3: Cross multiply
    16,793.49x = 23,159.28 × 10,421.12
  4. Step 4: Simplify right side
    16,793.49x = 241,345,520.20
  5. Step 5: Solve for x
    x = 241,345,520.20/16,793.49
  6. Step 6: Final answer
    x = 14,371.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.