Home / 25,125.18-34,658.07-15,677.34

Finding the Fourth Proportional to 25,125.18, 34,658.07 and 15,677.34

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Solution

The fourth proportional to 25,125.18, 34,658.07 and 15,677.34 is: 21,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.18 : 34,658.07 = 15,677.34 : x
  2. Step 2: Convert to fraction form
    25,125.18/34,658.07 = 15,677.34/x
  3. Step 3: Cross multiply
    25,125.18x = 34,658.07 × 15,677.34
  4. Step 4: Simplify right side
    25,125.18x = 543,346,347.13
  5. Step 5: Solve for x
    x = 543,346,347.13/25,125.18
  6. Step 6: Final answer
    x = 21,625.57

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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.