Home / 14,452.42-21,681.15-5,091.70

Finding the Fourth Proportional to 14,452.42, 21,681.15 and 5,091.70

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Solution

The fourth proportional to 14,452.42, 21,681.15 and 5,091.70 is: 7,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.42 : 21,681.15 = 5,091.70 : x
  2. Step 2: Convert to fraction form
    14,452.42/21,681.15 = 5,091.70/x
  3. Step 3: Cross multiply
    14,452.42x = 21,681.15 × 5,091.70
  4. Step 4: Simplify right side
    14,452.42x = 110,393,911.46
  5. Step 5: Solve for x
    x = 110,393,911.46/14,452.42
  6. Step 6: Final answer
    x = 7,638.44

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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.