Home / 28,529.80-42,801.99-10,994.92

Finding the Fourth Proportional to 28,529.80, 42,801.99 and 10,994.92

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Solution

The fourth proportional to 28,529.80, 42,801.99 and 10,994.92 is: 16,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.80 : 42,801.99 = 10,994.92 : x
  2. Step 2: Convert to fraction form
    28,529.80/42,801.99 = 10,994.92/x
  3. Step 3: Cross multiply
    28,529.80x = 42,801.99 × 10,994.92
  4. Step 4: Simplify right side
    28,529.80x = 470,604,455.89
  5. Step 5: Solve for x
    x = 470,604,455.89/28,529.80
  6. Step 6: Final answer
    x = 16,495.19

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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.