Home / 23,124.23-31,911.51-12,513.86

Finding the Fourth Proportional to 23,124.23, 31,911.51 and 12,513.86

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Solution

The fourth proportional to 23,124.23, 31,911.51 and 12,513.86 is: 17,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.23 : 31,911.51 = 12,513.86 : x
  2. Step 2: Convert to fraction form
    23,124.23/31,911.51 = 12,513.86/x
  3. Step 3: Cross multiply
    23,124.23x = 31,911.51 × 12,513.86
  4. Step 4: Simplify right side
    23,124.23x = 399,336,008.97
  5. Step 5: Solve for x
    x = 399,336,008.97/23,124.23
  6. Step 6: Final answer
    x = 17,269.16

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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.