Home / 19,530.02-29,294.72-4,739.06

Finding the Fourth Proportional to 19,530.02, 29,294.72 and 4,739.06

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Solution

The fourth proportional to 19,530.02, 29,294.72 and 4,739.06 is: 7,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.02 : 29,294.72 = 4,739.06 : x
  2. Step 2: Convert to fraction form
    19,530.02/29,294.72 = 4,739.06/x
  3. Step 3: Cross multiply
    19,530.02x = 29,294.72 × 4,739.06
  4. Step 4: Simplify right side
    19,530.02x = 138,829,435.76
  5. Step 5: Solve for x
    x = 138,829,435.76/19,530.02
  6. Step 6: Final answer
    x = 7,108.51

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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.