Home / 13,735.14-20,613.60-5,417.24

Finding the Fourth Proportional to 13,735.14, 20,613.60 and 5,417.24

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Solution

The fourth proportional to 13,735.14, 20,613.60 and 5,417.24 is: 8,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.14 : 20,613.60 = 5,417.24 : x
  2. Step 2: Convert to fraction form
    13,735.14/20,613.60 = 5,417.24/x
  3. Step 3: Cross multiply
    13,735.14x = 20,613.60 × 5,417.24
  4. Step 4: Simplify right side
    13,735.14x = 111,668,818.46
  5. Step 5: Solve for x
    x = 111,668,818.46/13,735.14
  6. Step 6: Final answer
    x = 8,130.16

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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.