Home / 23,124.48-31,911.68-12,514.30

Finding the Fourth Proportional to 23,124.48, 31,911.68 and 12,514.30

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Solution

The fourth proportional to 23,124.48, 31,911.68 and 12,514.30 is: 17,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.48 : 31,911.68 = 12,514.30 : x
  2. Step 2: Convert to fraction form
    23,124.48/31,911.68 = 12,514.30/x
  3. Step 3: Cross multiply
    23,124.48x = 31,911.68 × 12,514.30
  4. Step 4: Simplify right side
    23,124.48x = 399,352,337.02
  5. Step 5: Solve for x
    x = 399,352,337.02/23,124.48
  6. Step 6: Final answer
    x = 17,269.68

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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.