Home / 19,239.30-26,546.85-12,160.26

Finding the Fourth Proportional to 19,239.30, 26,546.85 and 12,160.26

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Solution

The fourth proportional to 19,239.30, 26,546.85 and 12,160.26 is: 16,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.30 : 26,546.85 = 12,160.26 : x
  2. Step 2: Convert to fraction form
    19,239.30/26,546.85 = 12,160.26/x
  3. Step 3: Cross multiply
    19,239.30x = 26,546.85 × 12,160.26
  4. Step 4: Simplify right side
    19,239.30x = 322,816,598.18
  5. Step 5: Solve for x
    x = 322,816,598.18/19,239.30
  6. Step 6: Final answer
    x = 16,779.02

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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.