Home / 14,129.67-19,499.03-8,827.56

Finding the Fourth Proportional to 14,129.67, 19,499.03 and 8,827.56

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Solution

The fourth proportional to 14,129.67, 19,499.03 and 8,827.56 is: 12,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.67 : 19,499.03 = 8,827.56 : x
  2. Step 2: Convert to fraction form
    14,129.67/19,499.03 = 8,827.56/x
  3. Step 3: Cross multiply
    14,129.67x = 19,499.03 × 8,827.56
  4. Step 4: Simplify right side
    14,129.67x = 172,128,813.13
  5. Step 5: Solve for x
    x = 172,128,813.13/14,129.67
  6. Step 6: Final answer
    x = 12,182.08

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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.