Home / 14,077.10-19,426.15-8,108.75

Finding the Fourth Proportional to 14,077.10, 19,426.15 and 8,108.75

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Solution

The fourth proportional to 14,077.10, 19,426.15 and 8,108.75 is: 11,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.10 : 19,426.15 = 8,108.75 : x
  2. Step 2: Convert to fraction form
    14,077.10/19,426.15 = 8,108.75/x
  3. Step 3: Cross multiply
    14,077.10x = 19,426.15 × 8,108.75
  4. Step 4: Simplify right side
    14,077.10x = 157,521,793.81
  5. Step 5: Solve for x
    x = 157,521,793.81/14,077.10
  6. Step 6: Final answer
    x = 11,189.93

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Half scale
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Double scale
Find fourth proportional to 14,078.10, 19,427.53 and 8,109.75
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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.