Home / 17,889.04-24,686.97-11,178.55

Finding the Fourth Proportional to 17,889.04, 24,686.97 and 11,178.55

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Solution

The fourth proportional to 17,889.04, 24,686.97 and 11,178.55 is: 15,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.04 : 24,686.97 = 11,178.55 : x
  2. Step 2: Convert to fraction form
    17,889.04/24,686.97 = 11,178.55/x
  3. Step 3: Cross multiply
    17,889.04x = 24,686.97 × 11,178.55
  4. Step 4: Simplify right side
    17,889.04x = 275,964,528.49
  5. Step 5: Solve for x
    x = 275,964,528.49/17,889.04
  6. Step 6: Final answer
    x = 15,426.46

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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.