Home / 25,310.16-34,927.74-13,980.12

Finding the Fourth Proportional to 25,310.16, 34,927.74 and 13,980.12

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Solution

The fourth proportional to 25,310.16, 34,927.74 and 13,980.12 is: 19,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.16 : 34,927.74 = 13,980.12 : x
  2. Step 2: Convert to fraction form
    25,310.16/34,927.74 = 13,980.12/x
  3. Step 3: Cross multiply
    25,310.16x = 34,927.74 × 13,980.12
  4. Step 4: Simplify right side
    25,310.16x = 488,293,996.53
  5. Step 5: Solve for x
    x = 488,293,996.53/25,310.16
  6. Step 6: Final answer
    x = 19,292.41

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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.