Home / 18,208.77-25,130.50-10,252.55

Finding the Fourth Proportional to 18,208.77, 25,130.50 and 10,252.55

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Solution

The fourth proportional to 18,208.77, 25,130.50 and 10,252.55 is: 14,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.77 : 25,130.50 = 10,252.55 : x
  2. Step 2: Convert to fraction form
    18,208.77/25,130.50 = 10,252.55/x
  3. Step 3: Cross multiply
    18,208.77x = 25,130.50 × 10,252.55
  4. Step 4: Simplify right side
    18,208.77x = 257,651,707.78
  5. Step 5: Solve for x
    x = 257,651,707.78/18,208.77
  6. Step 6: Final answer
    x = 14,149.87

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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.