Home / 25,470.05-35,143.88-14,857.02

Finding the Fourth Proportional to 25,470.05, 35,143.88 and 14,857.02

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Solution

The fourth proportional to 25,470.05, 35,143.88 and 14,857.02 is: 20,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.05 : 35,143.88 = 14,857.02 : x
  2. Step 2: Convert to fraction form
    25,470.05/35,143.88 = 14,857.02/x
  3. Step 3: Cross multiply
    25,470.05x = 35,143.88 × 14,857.02
  4. Step 4: Simplify right side
    25,470.05x = 522,133,253.75
  5. Step 5: Solve for x
    x = 522,133,253.75/25,470.05
  6. Step 6: Final answer
    x = 20,499.90

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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.