Home / 23,124.32-31,911.55-12,514.02

Finding the Fourth Proportional to 23,124.32, 31,911.55 and 12,514.02

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Solution

The fourth proportional to 23,124.32, 31,911.55 and 12,514.02 is: 17,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.32 : 31,911.55 = 12,514.02 : x
  2. Step 2: Convert to fraction form
    23,124.32/31,911.55 = 12,514.02/x
  3. Step 3: Cross multiply
    23,124.32x = 31,911.55 × 12,514.02
  4. Step 4: Simplify right side
    23,124.32x = 399,341,774.93
  5. Step 5: Solve for x
    x = 399,341,774.93/23,124.32
  6. Step 6: Final answer
    x = 17,269.35

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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.