Home / 19,037.80-28,525.20-6,551.12

Finding the Fourth Proportional to 19,037.80, 28,525.20 and 6,551.12

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Solution

The fourth proportional to 19,037.80, 28,525.20 and 6,551.12 is: 9,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.80 : 28,525.20 = 6,551.12 : x
  2. Step 2: Convert to fraction form
    19,037.80/28,525.20 = 6,551.12/x
  3. Step 3: Cross multiply
    19,037.80x = 28,525.20 × 6,551.12
  4. Step 4: Simplify right side
    19,037.80x = 186,872,008.22
  5. Step 5: Solve for x
    x = 186,872,008.22/19,037.80
  6. Step 6: Final answer
    x = 9,815.84

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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.