Home / 14,991.15-22,477.82-5,130.21

Finding the Fourth Proportional to 14,991.15, 22,477.82 and 5,130.21

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Solution

The fourth proportional to 14,991.15, 22,477.82 and 5,130.21 is: 7,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.15 : 22,477.82 = 5,130.21 : x
  2. Step 2: Convert to fraction form
    14,991.15/22,477.82 = 5,130.21/x
  3. Step 3: Cross multiply
    14,991.15x = 22,477.82 × 5,130.21
  4. Step 4: Simplify right side
    14,991.15x = 115,315,911.29
  5. Step 5: Solve for x
    x = 115,315,911.29/14,991.15
  6. Step 6: Final answer
    x = 7,692.27

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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.