Home / 20,581.65-28,373.55-14,611.14

Finding the Fourth Proportional to 20,581.65, 28,373.55 and 14,611.14

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Solution

The fourth proportional to 20,581.65, 28,373.55 and 14,611.14 is: 20,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.65 : 28,373.55 = 14,611.14 : x
  2. Step 2: Convert to fraction form
    20,581.65/28,373.55 = 14,611.14/x
  3. Step 3: Cross multiply
    20,581.65x = 28,373.55 × 14,611.14
  4. Step 4: Simplify right side
    20,581.65x = 414,569,911.35
  5. Step 5: Solve for x
    x = 414,569,911.35/20,581.65
  6. Step 6: Final answer
    x = 20,142.70

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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.