Home / 13,696.08-20,538.72-7,461.24

Finding the Fourth Proportional to 13,696.08, 20,538.72 and 7,461.24

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Solution

The fourth proportional to 13,696.08, 20,538.72 and 7,461.24 is: 11,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.08 : 20,538.72 = 7,461.24 : x
  2. Step 2: Convert to fraction form
    13,696.08/20,538.72 = 7,461.24/x
  3. Step 3: Cross multiply
    13,696.08x = 20,538.72 × 7,461.24
  4. Step 4: Simplify right side
    13,696.08x = 153,244,319.21
  5. Step 5: Solve for x
    x = 153,244,319.21/13,696.08
  6. Step 6: Final answer
    x = 11,188.92

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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.