Home / 14,402.83-19,876.08-8,433.31

Finding the Fourth Proportional to 14,402.83, 19,876.08 and 8,433.31

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Solution

The fourth proportional to 14,402.83, 19,876.08 and 8,433.31 is: 11,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.83 : 19,876.08 = 8,433.31 : x
  2. Step 2: Convert to fraction form
    14,402.83/19,876.08 = 8,433.31/x
  3. Step 3: Cross multiply
    14,402.83x = 19,876.08 × 8,433.31
  4. Step 4: Simplify right side
    14,402.83x = 167,621,144.22
  5. Step 5: Solve for x
    x = 167,621,144.22/14,402.83
  6. Step 6: Final answer
    x = 11,638.07

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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.