Home / 14,337.09-21,486.20-7,416.45

Finding the Fourth Proportional to 14,337.09, 21,486.20 and 7,416.45

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Solution

The fourth proportional to 14,337.09, 21,486.20 and 7,416.45 is: 11,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.09 : 21,486.20 = 7,416.45 : x
  2. Step 2: Convert to fraction form
    14,337.09/21,486.20 = 7,416.45/x
  3. Step 3: Cross multiply
    14,337.09x = 21,486.20 × 7,416.45
  4. Step 4: Simplify right side
    14,337.09x = 159,351,290.91
  5. Step 5: Solve for x
    x = 159,351,290.91/14,337.09
  6. Step 6: Final answer
    x = 11,114.62

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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.