Home / 14,947.72-20,609.58-9,349

Finding the Fourth Proportional to 14,947.72, 20,609.58 and 9,349

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Solution

The fourth proportional to 14,947.72, 20,609.58 and 9,349 is: 12,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.72 : 20,609.58 = 9,349 : x
  2. Step 2: Convert to fraction form
    14,947.72/20,609.58 = 9,349/x
  3. Step 3: Cross multiply
    14,947.72x = 20,609.58 × 9,349
  4. Step 4: Simplify right side
    14,947.72x = 192,678,963.42
  5. Step 5: Solve for x
    x = 192,678,963.42/14,947.72
  6. Step 6: Final answer
    x = 12,890.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.