Home / 19,563.60-29,345.40-9,722.10

Finding the Fourth Proportional to 19,563.60, 29,345.40 and 9,722.10

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Solution

The fourth proportional to 19,563.60, 29,345.40 and 9,722.10 is: 14,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.60 : 29,345.40 = 9,722.10 : x
  2. Step 2: Convert to fraction form
    19,563.60/29,345.40 = 9,722.10/x
  3. Step 3: Cross multiply
    19,563.60x = 29,345.40 × 9,722.10
  4. Step 4: Simplify right side
    19,563.60x = 285,298,913.34
  5. Step 5: Solve for x
    x = 285,298,913.34/19,563.60
  6. Step 6: Final answer
    x = 14,583.15

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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.