Home / 23,490.16-32,416.27-12,879.79

Finding the Fourth Proportional to 23,490.16, 32,416.27 and 12,879.79

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Solution

The fourth proportional to 23,490.16, 32,416.27 and 12,879.79 is: 17,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.16 : 32,416.27 = 12,879.79 : x
  2. Step 2: Convert to fraction form
    23,490.16/32,416.27 = 12,879.79/x
  3. Step 3: Cross multiply
    23,490.16x = 32,416.27 × 12,879.79
  4. Step 4: Simplify right side
    23,490.16x = 417,514,636.94
  5. Step 5: Solve for x
    x = 417,514,636.94/23,490.16
  6. Step 6: Final answer
    x = 17,774.02

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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.