Home / 19,530.14-29,294.93-4,739.18

Finding the Fourth Proportional to 19,530.14, 29,294.93 and 4,739.18

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Solution

The fourth proportional to 19,530.14, 29,294.93 and 4,739.18 is: 7,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.14 : 29,294.93 = 4,739.18 : x
  2. Step 2: Convert to fraction form
    19,530.14/29,294.93 = 4,739.18/x
  3. Step 3: Cross multiply
    19,530.14x = 29,294.93 × 4,739.18
  4. Step 4: Simplify right side
    19,530.14x = 138,833,776.19
  5. Step 5: Solve for x
    x = 138,833,776.19/19,530.14
  6. Step 6: Final answer
    x = 7,108.70

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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.