Home / 18,136.56-27,210.72-8,896.08

Finding the Fourth Proportional to 18,136.56, 27,210.72 and 8,896.08

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Solution

The fourth proportional to 18,136.56, 27,210.72 and 8,896.08 is: 13,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.56 : 27,210.72 = 8,896.08 : x
  2. Step 2: Convert to fraction form
    18,136.56/27,210.72 = 8,896.08/x
  3. Step 3: Cross multiply
    18,136.56x = 27,210.72 × 8,896.08
  4. Step 4: Simplify right side
    18,136.56x = 242,068,741.98
  5. Step 5: Solve for x
    x = 242,068,741.98/18,136.56
  6. Step 6: Final answer
    x = 13,347.00

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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.