Home / 19,209.56-26,509.40-10,826.06

Finding the Fourth Proportional to 19,209.56, 26,509.40 and 10,826.06

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Solution

The fourth proportional to 19,209.56, 26,509.40 and 10,826.06 is: 14,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.56 : 26,509.40 = 10,826.06 : x
  2. Step 2: Convert to fraction form
    19,209.56/26,509.40 = 10,826.06/x
  3. Step 3: Cross multiply
    19,209.56x = 26,509.40 × 10,826.06
  4. Step 4: Simplify right side
    19,209.56x = 286,992,448.30
  5. Step 5: Solve for x
    x = 286,992,448.30/19,209.56
  6. Step 6: Final answer
    x = 14,940.08

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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.