Home / 19,807.46-27,339.09-12,732.92

Finding the Fourth Proportional to 19,807.46, 27,339.09 and 12,732.92

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Solution

The fourth proportional to 19,807.46, 27,339.09 and 12,732.92 is: 17,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.46 : 27,339.09 = 12,732.92 : x
  2. Step 2: Convert to fraction form
    19,807.46/27,339.09 = 12,732.92/x
  3. Step 3: Cross multiply
    19,807.46x = 27,339.09 × 12,732.92
  4. Step 4: Simplify right side
    19,807.46x = 348,106,445.84
  5. Step 5: Solve for x
    x = 348,106,445.84/19,807.46
  6. Step 6: Final answer
    x = 17,574.51

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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.