Home / 23,026.91-31,774.88-12,955.13

Finding the Fourth Proportional to 23,026.91, 31,774.88 and 12,955.13

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Solution

The fourth proportional to 23,026.91, 31,774.88 and 12,955.13 is: 17,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.91 : 31,774.88 = 12,955.13 : x
  2. Step 2: Convert to fraction form
    23,026.91/31,774.88 = 12,955.13/x
  3. Step 3: Cross multiply
    23,026.91x = 31,774.88 × 12,955.13
  4. Step 4: Simplify right side
    23,026.91x = 411,647,477.48
  5. Step 5: Solve for x
    x = 411,647,477.48/23,026.91
  6. Step 6: Final answer
    x = 17,876.80

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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.