Home / 19,408.24-26,779.09-12,345.04

Finding the Fourth Proportional to 19,408.24, 26,779.09 and 12,345.04

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Solution

The fourth proportional to 19,408.24, 26,779.09 and 12,345.04 is: 17,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.24 : 26,779.09 = 12,345.04 : x
  2. Step 2: Convert to fraction form
    19,408.24/26,779.09 = 12,345.04/x
  3. Step 3: Cross multiply
    19,408.24x = 26,779.09 × 12,345.04
  4. Step 4: Simplify right side
    19,408.24x = 330,588,772.46
  5. Step 5: Solve for x
    x = 330,588,772.46/19,408.24
  6. Step 6: Final answer
    x = 17,033.43

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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.