Home / 18,807.04-28,204.88-11,797.76

Finding the Fourth Proportional to 18,807.04, 28,204.88 and 11,797.76

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Solution

The fourth proportional to 18,807.04, 28,204.88 and 11,797.76 is: 17,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.04 : 28,204.88 = 11,797.76 : x
  2. Step 2: Convert to fraction form
    18,807.04/28,204.88 = 11,797.76/x
  3. Step 3: Cross multiply
    18,807.04x = 28,204.88 × 11,797.76
  4. Step 4: Simplify right side
    18,807.04x = 332,754,405.07
  5. Step 5: Solve for x
    x = 332,754,405.07/18,807.04
  6. Step 6: Final answer
    x = 17,693.08

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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.