Home / 19,495.19-29,219.60-8,956.28

Finding the Fourth Proportional to 19,495.19, 29,219.60 and 8,956.28

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Solution

The fourth proportional to 19,495.19, 29,219.60 and 8,956.28 is: 13,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.19 : 29,219.60 = 8,956.28 : x
  2. Step 2: Convert to fraction form
    19,495.19/29,219.60 = 8,956.28/x
  3. Step 3: Cross multiply
    19,495.19x = 29,219.60 × 8,956.28
  4. Step 4: Simplify right side
    19,495.19x = 261,699,014.53
  5. Step 5: Solve for x
    x = 261,699,014.53/19,495.19
  6. Step 6: Final answer
    x = 13,423.77

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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.