Home / 25,669.60-35,423.76-15,057.19

Finding the Fourth Proportional to 25,669.60, 35,423.76 and 15,057.19

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Solution

The fourth proportional to 25,669.60, 35,423.76 and 15,057.19 is: 20,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.60 : 35,423.76 = 15,057.19 : x
  2. Step 2: Convert to fraction form
    25,669.60/35,423.76 = 15,057.19/x
  3. Step 3: Cross multiply
    25,669.60x = 35,423.76 × 15,057.19
  4. Step 4: Simplify right side
    25,669.60x = 533,382,284.83
  5. Step 5: Solve for x
    x = 533,382,284.83/25,669.60
  6. Step 6: Final answer
    x = 20,778.75

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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.