Home / 28,140.04-38,833.26-16,964.20

Finding the Fourth Proportional to 28,140.04, 38,833.26 and 16,964.20

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Solution

The fourth proportional to 28,140.04, 38,833.26 and 16,964.20 is: 23,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.04 : 38,833.26 = 16,964.20 : x
  2. Step 2: Convert to fraction form
    28,140.04/38,833.26 = 16,964.20/x
  3. Step 3: Cross multiply
    28,140.04x = 38,833.26 × 16,964.20
  4. Step 4: Simplify right side
    28,140.04x = 658,775,189.29
  5. Step 5: Solve for x
    x = 658,775,189.29/28,140.04
  6. Step 6: Final answer
    x = 23,410.60

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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.