Home / 25,790.76-35,597.58-15,724.75

Finding the Fourth Proportional to 25,790.76, 35,597.58 and 15,724.75

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Solution

The fourth proportional to 25,790.76, 35,597.58 and 15,724.75 is: 21,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.76 : 35,597.58 = 15,724.75 : x
  2. Step 2: Convert to fraction form
    25,790.76/35,597.58 = 15,724.75/x
  3. Step 3: Cross multiply
    25,790.76x = 35,597.58 × 15,724.75
  4. Step 4: Simplify right side
    25,790.76x = 559,762,957.11
  5. Step 5: Solve for x
    x = 559,762,957.11/25,790.76
  6. Step 6: Final answer
    x = 21,704.01

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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.