Home / 19,685.12-27,165.52-10,732.64

Finding the Fourth Proportional to 19,685.12, 27,165.52 and 10,732.64

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Solution

The fourth proportional to 19,685.12, 27,165.52 and 10,732.64 is: 14,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.12 : 27,165.52 = 10,732.64 : x
  2. Step 2: Convert to fraction form
    19,685.12/27,165.52 = 10,732.64/x
  3. Step 3: Cross multiply
    19,685.12x = 27,165.52 × 10,732.64
  4. Step 4: Simplify right side
    19,685.12x = 291,557,746.57
  5. Step 5: Solve for x
    x = 291,557,746.57/19,685.12
  6. Step 6: Final answer
    x = 14,811.07

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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.