Home / 14,445.12-19,932.30-8,070.93

Finding the Fourth Proportional to 14,445.12, 19,932.30 and 8,070.93

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Solution

The fourth proportional to 14,445.12, 19,932.30 and 8,070.93 is: 11,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.12 : 19,932.30 = 8,070.93 : x
  2. Step 2: Convert to fraction form
    14,445.12/19,932.30 = 8,070.93/x
  3. Step 3: Cross multiply
    14,445.12x = 19,932.30 × 8,070.93
  4. Step 4: Simplify right side
    14,445.12x = 160,872,198.04
  5. Step 5: Solve for x
    x = 160,872,198.04/14,445.12
  6. Step 6: Final answer
    x = 11,136.79

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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.