Home / 13,807.08-19,056.33-12,963.06

Finding the Fourth Proportional to 13,807.08, 19,056.33 and 12,963.06

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Solution

The fourth proportional to 13,807.08, 19,056.33 and 12,963.06 is: 17,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.08 : 19,056.33 = 12,963.06 : x
  2. Step 2: Convert to fraction form
    13,807.08/19,056.33 = 12,963.06/x
  3. Step 3: Cross multiply
    13,807.08x = 19,056.33 × 12,963.06
  4. Step 4: Simplify right side
    13,807.08x = 247,028,349.17
  5. Step 5: Solve for x
    x = 247,028,349.17/13,807.08
  6. Step 6: Final answer
    x = 17,891.43

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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.