Home / 25,858.50-35,689.05-15,250.74

Finding the Fourth Proportional to 25,858.50, 35,689.05 and 15,250.74

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Solution

The fourth proportional to 25,858.50, 35,689.05 and 15,250.74 is: 21,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.50 : 35,689.05 = 15,250.74 : x
  2. Step 2: Convert to fraction form
    25,858.50/35,689.05 = 15,250.74/x
  3. Step 3: Cross multiply
    25,858.50x = 35,689.05 × 15,250.74
  4. Step 4: Simplify right side
    25,858.50x = 544,284,422.40
  5. Step 5: Solve for x
    x = 544,284,422.40/25,858.50
  6. Step 6: Final answer
    x = 21,048.57

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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.