Home / 14,482.06-19,983.54-8,109.01

Finding the Fourth Proportional to 14,482.06, 19,983.54 and 8,109.01

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Solution

The fourth proportional to 14,482.06, 19,983.54 and 8,109.01 is: 11,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.06 : 19,983.54 = 8,109.01 : x
  2. Step 2: Convert to fraction form
    14,482.06/19,983.54 = 8,109.01/x
  3. Step 3: Cross multiply
    14,482.06x = 19,983.54 × 8,109.01
  4. Step 4: Simplify right side
    14,482.06x = 162,046,725.70
  5. Step 5: Solve for x
    x = 162,046,725.70/14,482.06
  6. Step 6: Final answer
    x = 11,189.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.