Home / 14,000.70-19,320.18-8,695.92

Finding the Fourth Proportional to 14,000.70, 19,320.18 and 8,695.92

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Solution

The fourth proportional to 14,000.70, 19,320.18 and 8,695.92 is: 11,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.70 : 19,320.18 = 8,695.92 : x
  2. Step 2: Convert to fraction form
    14,000.70/19,320.18 = 8,695.92/x
  3. Step 3: Cross multiply
    14,000.70x = 19,320.18 × 8,695.92
  4. Step 4: Simplify right side
    14,000.70x = 168,006,739.67
  5. Step 5: Solve for x
    x = 168,006,739.67/14,000.70
  6. Step 6: Final answer
    x = 11,999.88

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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.