Home / 23,028.49-31,777.05-12,956.68

Finding the Fourth Proportional to 23,028.49, 31,777.05 and 12,956.68

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Solution

The fourth proportional to 23,028.49, 31,777.05 and 12,956.68 is: 17,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.49 : 31,777.05 = 12,956.68 : x
  2. Step 2: Convert to fraction form
    23,028.49/31,777.05 = 12,956.68/x
  3. Step 3: Cross multiply
    23,028.49x = 31,777.05 × 12,956.68
  4. Step 4: Simplify right side
    23,028.49x = 411,725,068.19
  5. Step 5: Solve for x
    x = 411,725,068.19/23,028.49
  6. Step 6: Final answer
    x = 17,878.94

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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.