Home / 18,347.88-27,533.70-6,660.12

Finding the Fourth Proportional to 18,347.88, 27,533.70 and 6,660.12

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Solution

The fourth proportional to 18,347.88, 27,533.70 and 6,660.12 is: 9,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.88 : 27,533.70 = 6,660.12 : x
  2. Step 2: Convert to fraction form
    18,347.88/27,533.70 = 6,660.12/x
  3. Step 3: Cross multiply
    18,347.88x = 27,533.70 × 6,660.12
  4. Step 4: Simplify right side
    18,347.88x = 183,377,746.04
  5. Step 5: Solve for x
    x = 183,377,746.04/18,347.88
  6. Step 6: Final answer
    x = 9,994.49

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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.