Home / 23,124.42-31,911.79-12,514.05

Finding the Fourth Proportional to 23,124.42, 31,911.79 and 12,514.05

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Solution

The fourth proportional to 23,124.42, 31,911.79 and 12,514.05 is: 17,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.42 : 31,911.79 = 12,514.05 : x
  2. Step 2: Convert to fraction form
    23,124.42/31,911.79 = 12,514.05/x
  3. Step 3: Cross multiply
    23,124.42x = 31,911.79 × 12,514.05
  4. Step 4: Simplify right side
    23,124.42x = 399,345,655.87
  5. Step 5: Solve for x
    x = 399,345,655.87/23,124.42
  6. Step 6: Final answer
    x = 17,269.44

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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.