Home / 19,635.84-29,466.72-10,408.32

Finding the Fourth Proportional to 19,635.84, 29,466.72 and 10,408.32

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Solution

The fourth proportional to 19,635.84, 29,466.72 and 10,408.32 is: 15,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.84 : 29,466.72 = 10,408.32 : x
  2. Step 2: Convert to fraction form
    19,635.84/29,466.72 = 10,408.32/x
  3. Step 3: Cross multiply
    19,635.84x = 29,466.72 × 10,408.32
  4. Step 4: Simplify right side
    19,635.84x = 306,699,051.11
  5. Step 5: Solve for x
    x = 306,699,051.11/19,635.84
  6. Step 6: Final answer
    x = 15,619.35

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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.