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Finding the Fourth Proportional to 18,154.80, 25,054.52 and 10,199.52

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Solution

The fourth proportional to 18,154.80, 25,054.52 and 10,199.52 is: 14,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.80 : 25,054.52 = 10,199.52 : x
  2. Step 2: Convert to fraction form
    18,154.80/25,054.52 = 10,199.52/x
  3. Step 3: Cross multiply
    18,154.80x = 25,054.52 × 10,199.52
  4. Step 4: Simplify right side
    18,154.80x = 255,544,026.83
  5. Step 5: Solve for x
    x = 255,544,026.83/18,154.80
  6. Step 6: Final answer
    x = 14,075.84

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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.