Home / 19,695.20-29,542.64-4,904.02

Finding the Fourth Proportional to 19,695.20, 29,542.64 and 4,904.02

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Solution

The fourth proportional to 19,695.20, 29,542.64 and 4,904.02 is: 7,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.20 : 29,542.64 = 4,904.02 : x
  2. Step 2: Convert to fraction form
    19,695.20/29,542.64 = 4,904.02/x
  3. Step 3: Cross multiply
    19,695.20x = 29,542.64 × 4,904.02
  4. Step 4: Simplify right side
    19,695.20x = 144,877,697.41
  5. Step 5: Solve for x
    x = 144,877,697.41/19,695.20
  6. Step 6: Final answer
    x = 7,355.99

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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.