Home / 13,178.24-19,775.16-4,864.05

Finding the Fourth Proportional to 13,178.24, 19,775.16 and 4,864.05

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Solution

The fourth proportional to 13,178.24, 19,775.16 and 4,864.05 is: 7,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.24 : 19,775.16 = 4,864.05 : x
  2. Step 2: Convert to fraction form
    13,178.24/19,775.16 = 4,864.05/x
  3. Step 3: Cross multiply
    13,178.24x = 19,775.16 × 4,864.05
  4. Step 4: Simplify right side
    13,178.24x = 96,187,367.00
  5. Step 5: Solve for x
    x = 96,187,367.00/13,178.24
  6. Step 6: Final answer
    x = 7,298.95

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1.5x scale

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.