Home / 25,421.94-35,080.77-14,243.70

Finding the Fourth Proportional to 25,421.94, 35,080.77 and 14,243.70

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Solution

The fourth proportional to 25,421.94, 35,080.77 and 14,243.70 is: 19,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.94 : 35,080.77 = 14,243.70 : x
  2. Step 2: Convert to fraction form
    25,421.94/35,080.77 = 14,243.70/x
  3. Step 3: Cross multiply
    25,421.94x = 35,080.77 × 14,243.70
  4. Step 4: Simplify right side
    25,421.94x = 499,679,963.65
  5. Step 5: Solve for x
    x = 499,679,963.65/25,421.94
  6. Step 6: Final answer
    x = 19,655.46

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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.