Home / 14,217.96-19,623.14-8,917.32

Finding the Fourth Proportional to 14,217.96, 19,623.14 and 8,917.32

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Solution

The fourth proportional to 14,217.96, 19,623.14 and 8,917.32 is: 12,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.96 : 19,623.14 = 8,917.32 : x
  2. Step 2: Convert to fraction form
    14,217.96/19,623.14 = 8,917.32/x
  3. Step 3: Cross multiply
    14,217.96x = 19,623.14 × 8,917.32
  4. Step 4: Simplify right side
    14,217.96x = 174,985,818.78
  5. Step 5: Solve for x
    x = 174,985,818.78/14,217.96
  6. Step 6: Final answer
    x = 12,307.38

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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.