Home / 19,167.08-28,709.04-9,285.56

Finding the Fourth Proportional to 19,167.08, 28,709.04 and 9,285.56

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Solution

The fourth proportional to 19,167.08, 28,709.04 and 9,285.56 is: 13,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.08 : 28,709.04 = 9,285.56 : x
  2. Step 2: Convert to fraction form
    19,167.08/28,709.04 = 9,285.56/x
  3. Step 3: Cross multiply
    19,167.08x = 28,709.04 × 9,285.56
  4. Step 4: Simplify right side
    19,167.08x = 266,579,513.46
  5. Step 5: Solve for x
    x = 266,579,513.46/19,167.08
  6. Step 6: Final answer
    x = 13,908.20

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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.