Home / 18,159.80-25,057.86-10,200.43

Finding the Fourth Proportional to 18,159.80, 25,057.86 and 10,200.43

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Solution

The fourth proportional to 18,159.80, 25,057.86 and 10,200.43 is: 14,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.80 : 25,057.86 = 10,200.43 : x
  2. Step 2: Convert to fraction form
    18,159.80/25,057.86 = 10,200.43/x
  3. Step 3: Cross multiply
    18,159.80x = 25,057.86 × 10,200.43
  4. Step 4: Simplify right side
    18,159.80x = 255,600,939.95
  5. Step 5: Solve for x
    x = 255,600,939.95/18,159.80
  6. Step 6: Final answer
    x = 14,075.10

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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.