Home / 19,368.11-26,725.80-10,869.09

Finding the Fourth Proportional to 19,368.11, 26,725.80 and 10,869.09

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Solution

The fourth proportional to 19,368.11, 26,725.80 and 10,869.09 is: 14,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.11 : 26,725.80 = 10,869.09 : x
  2. Step 2: Convert to fraction form
    19,368.11/26,725.80 = 10,869.09/x
  3. Step 3: Cross multiply
    19,368.11x = 26,725.80 × 10,869.09
  4. Step 4: Simplify right side
    19,368.11x = 290,485,004.92
  5. Step 5: Solve for x
    x = 290,485,004.92/19,368.11
  6. Step 6: Final answer
    x = 14,998.11

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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.