Home / 14,788.98-20,412.81-11,803.32

Finding the Fourth Proportional to 14,788.98, 20,412.81 and 11,803.32

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Solution

The fourth proportional to 14,788.98, 20,412.81 and 11,803.32 is: 16,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.98 : 20,412.81 = 11,803.32 : x
  2. Step 2: Convert to fraction form
    14,788.98/20,412.81 = 11,803.32/x
  3. Step 3: Cross multiply
    14,788.98x = 20,412.81 × 11,803.32
  4. Step 4: Simplify right side
    14,788.98x = 240,938,928.53
  5. Step 5: Solve for x
    x = 240,938,928.53/14,788.98
  6. Step 6: Final answer
    x = 16,291.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.