Home / 25,322.57-34,943.34-13,991.94

Finding the Fourth Proportional to 25,322.57, 34,943.34 and 13,991.94

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Solution

The fourth proportional to 25,322.57, 34,943.34 and 13,991.94 is: 19,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.57 : 34,943.34 = 13,991.94 : x
  2. Step 2: Convert to fraction form
    25,322.57/34,943.34 = 13,991.94/x
  3. Step 3: Cross multiply
    25,322.57x = 34,943.34 × 13,991.94
  4. Step 4: Simplify right side
    25,322.57x = 488,925,116.68
  5. Step 5: Solve for x
    x = 488,925,116.68/25,322.57
  6. Step 6: Final answer
    x = 19,307.88

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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.