Home / 25,696.17-35,482.50-21,469.79

Finding the Fourth Proportional to 25,696.17, 35,482.50 and 21,469.79

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Solution

The fourth proportional to 25,696.17, 35,482.50 and 21,469.79 is: 29,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.17 : 35,482.50 = 21,469.79 : x
  2. Step 2: Convert to fraction form
    25,696.17/35,482.50 = 21,469.79/x
  3. Step 3: Cross multiply
    25,696.17x = 35,482.50 × 21,469.79
  4. Step 4: Simplify right side
    25,696.17x = 761,801,646.26
  5. Step 5: Solve for x
    x = 761,801,646.26/25,696.17
  6. Step 6: Final answer
    x = 29,646.51

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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.