Home / 23,026.45-31,776.18-12,954.90

Finding the Fourth Proportional to 23,026.45, 31,776.18 and 12,954.90

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Solution

The fourth proportional to 23,026.45, 31,776.18 and 12,954.90 is: 17,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.45 : 31,776.18 = 12,954.90 : x
  2. Step 2: Convert to fraction form
    23,026.45/31,776.18 = 12,954.90/x
  3. Step 3: Cross multiply
    23,026.45x = 31,776.18 × 12,954.90
  4. Step 4: Simplify right side
    23,026.45x = 411,657,234.28
  5. Step 5: Solve for x
    x = 411,657,234.28/23,026.45
  6. Step 6: Final answer
    x = 17,877.58

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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.