Home / 18,329.06-27,484.29-8,955.05

Finding the Fourth Proportional to 18,329.06, 27,484.29 and 8,955.05

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Solution

The fourth proportional to 18,329.06, 27,484.29 and 8,955.05 is: 13,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.06 : 27,484.29 = 8,955.05 : x
  2. Step 2: Convert to fraction form
    18,329.06/27,484.29 = 8,955.05/x
  3. Step 3: Cross multiply
    18,329.06x = 27,484.29 × 8,955.05
  4. Step 4: Simplify right side
    18,329.06x = 246,123,053.74
  5. Step 5: Solve for x
    x = 246,123,053.74/18,329.06
  6. Step 6: Final answer
    x = 13,428.03

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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.