Home / 19,813.66-27,343.18-10,860.60

Finding the Fourth Proportional to 19,813.66, 27,343.18 and 10,860.60

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Solution

The fourth proportional to 19,813.66, 27,343.18 and 10,860.60 is: 14,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.66 : 27,343.18 = 10,860.60 : x
  2. Step 2: Convert to fraction form
    19,813.66/27,343.18 = 10,860.60/x
  3. Step 3: Cross multiply
    19,813.66x = 27,343.18 × 10,860.60
  4. Step 4: Simplify right side
    19,813.66x = 296,963,340.71
  5. Step 5: Solve for x
    x = 296,963,340.71/19,813.66
  6. Step 6: Final answer
    x = 14,987.81

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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.