Home / 19,714.84-27,236.16-12,925.00

Finding the Fourth Proportional to 19,714.84, 27,236.16 and 12,925.00

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Solution

The fourth proportional to 19,714.84, 27,236.16 and 12,925.00 is: 17,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.84 : 27,236.16 = 12,925.00 : x
  2. Step 2: Convert to fraction form
    19,714.84/27,236.16 = 12,925.00/x
  3. Step 3: Cross multiply
    19,714.84x = 27,236.16 × 12,925.00
  4. Step 4: Simplify right side
    19,714.84x = 352,027,167.19
  5. Step 5: Solve for x
    x = 352,027,167.19/19,714.84
  6. Step 6: Final answer
    x = 17,855.95

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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.