Home / 25,038.75-34,553.19-13,708.11

Finding the Fourth Proportional to 25,038.75, 34,553.19 and 13,708.11

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Solution

The fourth proportional to 25,038.75, 34,553.19 and 13,708.11 is: 18,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.75 : 34,553.19 = 13,708.11 : x
  2. Step 2: Convert to fraction form
    25,038.75/34,553.19 = 13,708.11/x
  3. Step 3: Cross multiply
    25,038.75x = 34,553.19 × 13,708.11
  4. Step 4: Simplify right side
    25,038.75x = 473,658,929.37
  5. Step 5: Solve for x
    x = 473,658,929.37/25,038.75
  6. Step 6: Final answer
    x = 18,917.04

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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.