Home / 25,141.15-34,695.34-13,810.80

Finding the Fourth Proportional to 25,141.15, 34,695.34 and 13,810.80

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Solution

The fourth proportional to 25,141.15, 34,695.34 and 13,810.80 is: 19,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.15 : 34,695.34 = 13,810.80 : x
  2. Step 2: Convert to fraction form
    25,141.15/34,695.34 = 13,810.80/x
  3. Step 3: Cross multiply
    25,141.15x = 34,695.34 × 13,810.80
  4. Step 4: Simplify right side
    25,141.15x = 479,170,497.25
  5. Step 5: Solve for x
    x = 479,170,497.25/25,141.15
  6. Step 6: Final answer
    x = 19,059.21

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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.