Home / 14,709.90-22,028.40-9,436.80

Finding the Fourth Proportional to 14,709.90, 22,028.40 and 9,436.80

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Solution

The fourth proportional to 14,709.90, 22,028.40 and 9,436.80 is: 14,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.90 : 22,028.40 = 9,436.80 : x
  2. Step 2: Convert to fraction form
    14,709.90/22,028.40 = 9,436.80/x
  3. Step 3: Cross multiply
    14,709.90x = 22,028.40 × 9,436.80
  4. Step 4: Simplify right side
    14,709.90x = 207,877,605.12
  5. Step 5: Solve for x
    x = 207,877,605.12/14,709.90
  6. Step 6: Final answer
    x = 14,131.82

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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.