Home / 14,357.93-19,814.36-8,691.50

Finding the Fourth Proportional to 14,357.93, 19,814.36 and 8,691.50

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Solution

The fourth proportional to 14,357.93, 19,814.36 and 8,691.50 is: 11,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.93 : 19,814.36 = 8,691.50 : x
  2. Step 2: Convert to fraction form
    14,357.93/19,814.36 = 8,691.50/x
  3. Step 3: Cross multiply
    14,357.93x = 19,814.36 × 8,691.50
  4. Step 4: Simplify right side
    14,357.93x = 172,216,516.02
  5. Step 5: Solve for x
    x = 172,216,516.02/14,357.93
  6. Step 6: Final answer
    x = 11,994.53

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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.