Home / 14,813.52-22,185.36-7,776.72

Finding the Fourth Proportional to 14,813.52, 22,185.36 and 7,776.72

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Solution

The fourth proportional to 14,813.52, 22,185.36 and 7,776.72 is: 11,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.52 : 22,185.36 = 7,776.72 : x
  2. Step 2: Convert to fraction form
    14,813.52/22,185.36 = 7,776.72/x
  3. Step 3: Cross multiply
    14,813.52x = 22,185.36 × 7,776.72
  4. Step 4: Simplify right side
    14,813.52x = 172,529,332.82
  5. Step 5: Solve for x
    x = 172,529,332.82/14,813.52
  6. Step 6: Final answer
    x = 11,646.75

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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.