Home / 19,655.20-29,482.43-4,864.12

Finding the Fourth Proportional to 19,655.20, 29,482.43 and 4,864.12

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Solution

The fourth proportional to 19,655.20, 29,482.43 and 4,864.12 is: 7,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.20 : 29,482.43 = 4,864.12 : x
  2. Step 2: Convert to fraction form
    19,655.20/29,482.43 = 4,864.12/x
  3. Step 3: Cross multiply
    19,655.20x = 29,482.43 × 4,864.12
  4. Step 4: Simplify right side
    19,655.20x = 143,406,015.87
  5. Step 5: Solve for x
    x = 143,406,015.87/19,655.20
  6. Step 6: Final answer
    x = 7,296.09

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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.