Home / 18,337.36-27,509.10-6,666.88

Finding the Fourth Proportional to 18,337.36, 27,509.10 and 6,666.88

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Solution

The fourth proportional to 18,337.36, 27,509.10 and 6,666.88 is: 10,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.36 : 27,509.10 = 6,666.88 : x
  2. Step 2: Convert to fraction form
    18,337.36/27,509.10 = 6,666.88/x
  3. Step 3: Cross multiply
    18,337.36x = 27,509.10 × 6,666.88
  4. Step 4: Simplify right side
    18,337.36x = 183,399,868.61
  5. Step 5: Solve for x
    x = 183,399,868.61/18,337.36
  6. Step 6: Final answer
    x = 10,001.43

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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.