Home / 19,405.13-26,779.68-11,454.17

Finding the Fourth Proportional to 19,405.13, 26,779.68 and 11,454.17

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Solution

The fourth proportional to 19,405.13, 26,779.68 and 11,454.17 is: 15,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.13 : 26,779.68 = 11,454.17 : x
  2. Step 2: Convert to fraction form
    19,405.13/26,779.68 = 11,454.17/x
  3. Step 3: Cross multiply
    19,405.13x = 26,779.68 × 11,454.17
  4. Step 4: Simplify right side
    19,405.13x = 306,738,873.37
  5. Step 5: Solve for x
    x = 306,738,873.37/19,405.13
  6. Step 6: Final answer
    x = 15,807.11

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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.