Home / 25,029.20-34,538.81-13,696.59

Finding the Fourth Proportional to 25,029.20, 34,538.81 and 13,696.59

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Solution

The fourth proportional to 25,029.20, 34,538.81 and 13,696.59 is: 18,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.20 : 34,538.81 = 13,696.59 : x
  2. Step 2: Convert to fraction form
    25,029.20/34,538.81 = 13,696.59/x
  3. Step 3: Cross multiply
    25,029.20x = 34,538.81 × 13,696.59
  4. Step 4: Simplify right side
    25,029.20x = 473,063,980.70
  5. Step 5: Solve for x
    x = 473,063,980.70/25,029.20
  6. Step 6: Final answer
    x = 18,900.48

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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.