Home / 19,840.48-29,746.13-9,459.52

Finding the Fourth Proportional to 19,840.48, 29,746.13 and 9,459.52

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Solution

The fourth proportional to 19,840.48, 29,746.13 and 9,459.52 is: 14,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.48 : 29,746.13 = 9,459.52 : x
  2. Step 2: Convert to fraction form
    19,840.48/29,746.13 = 9,459.52/x
  3. Step 3: Cross multiply
    19,840.48x = 29,746.13 × 9,459.52
  4. Step 4: Simplify right side
    19,840.48x = 281,383,989.99
  5. Step 5: Solve for x
    x = 281,383,989.99/19,840.48
  6. Step 6: Final answer
    x = 14,182.32

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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.