Home / 25,307.17-34,923.59-13,977.12

Finding the Fourth Proportional to 25,307.17, 34,923.59 and 13,977.12

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Solution

The fourth proportional to 25,307.17, 34,923.59 and 13,977.12 is: 19,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.17 : 34,923.59 = 13,977.12 : x
  2. Step 2: Convert to fraction form
    25,307.17/34,923.59 = 13,977.12/x
  3. Step 3: Cross multiply
    25,307.17x = 34,923.59 × 13,977.12
  4. Step 4: Simplify right side
    25,307.17x = 488,131,321.75
  5. Step 5: Solve for x
    x = 488,131,321.75/25,307.17
  6. Step 6: Final answer
    x = 19,288.26

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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.