Home / 14,614.48-20,167.98-7,900.08

Finding the Fourth Proportional to 14,614.48, 20,167.98 and 7,900.08

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Solution

The fourth proportional to 14,614.48, 20,167.98 and 7,900.08 is: 10,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.48 : 20,167.98 = 7,900.08 : x
  2. Step 2: Convert to fraction form
    14,614.48/20,167.98 = 7,900.08/x
  3. Step 3: Cross multiply
    14,614.48x = 20,167.98 × 7,900.08
  4. Step 4: Simplify right side
    14,614.48x = 159,328,705.86
  5. Step 5: Solve for x
    x = 159,328,705.86/14,614.48
  6. Step 6: Final answer
    x = 10,902.11

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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.