Home / 14,089.33-19,446.47-8,783.12

Finding the Fourth Proportional to 14,089.33, 19,446.47 and 8,783.12

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Solution

The fourth proportional to 14,089.33, 19,446.47 and 8,783.12 is: 12,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.33 : 19,446.47 = 8,783.12 : x
  2. Step 2: Convert to fraction form
    14,089.33/19,446.47 = 8,783.12/x
  3. Step 3: Cross multiply
    14,089.33x = 19,446.47 × 8,783.12
  4. Step 4: Simplify right side
    14,089.33x = 170,800,733.11
  5. Step 5: Solve for x
    x = 170,800,733.11/14,089.33
  6. Step 6: Final answer
    x = 12,122.70

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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.