Home / 23,490.22-32,418.54-12,881.92

Finding the Fourth Proportional to 23,490.22, 32,418.54 and 12,881.92

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Solution

The fourth proportional to 23,490.22, 32,418.54 and 12,881.92 is: 17,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.22 : 32,418.54 = 12,881.92 : x
  2. Step 2: Convert to fraction form
    23,490.22/32,418.54 = 12,881.92/x
  3. Step 3: Cross multiply
    23,490.22x = 32,418.54 × 12,881.92
  4. Step 4: Simplify right side
    23,490.22x = 417,613,038.80
  5. Step 5: Solve for x
    x = 417,613,038.80/23,490.22
  6. Step 6: Final answer
    x = 17,778.17

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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.