Home / 25,891.65-35,729.10-15,277.41

Finding the Fourth Proportional to 25,891.65, 35,729.10 and 15,277.41

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Solution

The fourth proportional to 25,891.65, 35,729.10 and 15,277.41 is: 21,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.65 : 35,729.10 = 15,277.41 : x
  2. Step 2: Convert to fraction form
    25,891.65/35,729.10 = 15,277.41/x
  3. Step 3: Cross multiply
    25,891.65x = 35,729.10 × 15,277.41
  4. Step 4: Simplify right side
    25,891.65x = 545,848,109.63
  5. Step 5: Solve for x
    x = 545,848,109.63/25,891.65
  6. Step 6: Final answer
    x = 21,082.01

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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.