Home / 28,303.94-42,463.20-10,775.14

Finding the Fourth Proportional to 28,303.94, 42,463.20 and 10,775.14

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Solution

The fourth proportional to 28,303.94, 42,463.20 and 10,775.14 is: 16,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.94 : 42,463.20 = 10,775.14 : x
  2. Step 2: Convert to fraction form
    28,303.94/42,463.20 = 10,775.14/x
  3. Step 3: Cross multiply
    28,303.94x = 42,463.20 × 10,775.14
  4. Step 4: Simplify right side
    28,303.94x = 457,546,924.85
  5. Step 5: Solve for x
    x = 457,546,924.85/28,303.94
  6. Step 6: Final answer
    x = 16,165.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.