Home / 23,026.84-31,777.70-12,955.32

Finding the Fourth Proportional to 23,026.84, 31,777.70 and 12,955.32

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Solution

The fourth proportional to 23,026.84, 31,777.70 and 12,955.32 is: 17,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.84 : 31,777.70 = 12,955.32 : x
  2. Step 2: Convert to fraction form
    23,026.84/31,777.70 = 12,955.32/x
  3. Step 3: Cross multiply
    23,026.84x = 31,777.70 × 12,955.32
  4. Step 4: Simplify right side
    23,026.84x = 411,690,272.36
  5. Step 5: Solve for x
    x = 411,690,272.36/23,026.84
  6. Step 6: Final answer
    x = 17,878.71

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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.