Home / 19,543.15-29,314.73-13,725.73

Finding the Fourth Proportional to 19,543.15, 29,314.73 and 13,725.73

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Solution

The fourth proportional to 19,543.15, 29,314.73 and 13,725.73 is: 20,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.15 : 29,314.73 = 13,725.73 : x
  2. Step 2: Convert to fraction form
    19,543.15/29,314.73 = 13,725.73/x
  3. Step 3: Cross multiply
    19,543.15x = 29,314.73 × 13,725.73
  4. Step 4: Simplify right side
    19,543.15x = 402,366,139.96
  5. Step 5: Solve for x
    x = 402,366,139.96/19,543.15
  6. Step 6: Final answer
    x = 20,588.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.