Home / 19,810.14-27,332.55-12,252.84

Finding the Fourth Proportional to 19,810.14, 27,332.55 and 12,252.84

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Solution

The fourth proportional to 19,810.14, 27,332.55 and 12,252.84 is: 16,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.14 : 27,332.55 = 12,252.84 : x
  2. Step 2: Convert to fraction form
    19,810.14/27,332.55 = 12,252.84/x
  3. Step 3: Cross multiply
    19,810.14x = 27,332.55 × 12,252.84
  4. Step 4: Simplify right side
    19,810.14x = 334,901,361.94
  5. Step 5: Solve for x
    x = 334,901,361.94/19,810.14
  6. Step 6: Final answer
    x = 16,905.55

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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.