Home / 25,145.98-34,699.77-13,813.26

Finding the Fourth Proportional to 25,145.98, 34,699.77 and 13,813.26

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Solution

The fourth proportional to 25,145.98, 34,699.77 and 13,813.26 is: 19,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.98 : 34,699.77 = 13,813.26 : x
  2. Step 2: Convert to fraction form
    25,145.98/34,699.77 = 13,813.26/x
  3. Step 3: Cross multiply
    25,145.98x = 34,699.77 × 13,813.26
  4. Step 4: Simplify right side
    25,145.98x = 479,316,944.95
  5. Step 5: Solve for x
    x = 479,316,944.95/25,145.98
  6. Step 6: Final answer
    x = 19,061.37

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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.