Home / 18,548.61-27,833.85-6,870.03

Finding the Fourth Proportional to 18,548.61, 27,833.85 and 6,870.03

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Solution

The fourth proportional to 18,548.61, 27,833.85 and 6,870.03 is: 10,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.61 : 27,833.85 = 6,870.03 : x
  2. Step 2: Convert to fraction form
    18,548.61/27,833.85 = 6,870.03/x
  3. Step 3: Cross multiply
    18,548.61x = 27,833.85 × 6,870.03
  4. Step 4: Simplify right side
    18,548.61x = 191,219,384.52
  5. Step 5: Solve for x
    x = 191,219,384.52/18,548.61
  6. Step 6: Final answer
    x = 10,309.10

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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.