Home / 14,005.43-19,326.73-8,700.15

Finding the Fourth Proportional to 14,005.43, 19,326.73 and 8,700.15

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Solution

The fourth proportional to 14,005.43, 19,326.73 and 8,700.15 is: 12,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.43 : 19,326.73 = 8,700.15 : x
  2. Step 2: Convert to fraction form
    14,005.43/19,326.73 = 8,700.15/x
  3. Step 3: Cross multiply
    14,005.43x = 19,326.73 × 8,700.15
  4. Step 4: Simplify right side
    14,005.43x = 168,145,450.01
  5. Step 5: Solve for x
    x = 168,145,450.01/14,005.43
  6. Step 6: Final answer
    x = 12,005.73

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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.