Home / 13,368.04-18,448.26-7,704.16

Finding the Fourth Proportional to 13,368.04, 18,448.26 and 7,704.16

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Solution

The fourth proportional to 13,368.04, 18,448.26 and 7,704.16 is: 10,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.04 : 18,448.26 = 7,704.16 : x
  2. Step 2: Convert to fraction form
    13,368.04/18,448.26 = 7,704.16/x
  3. Step 3: Cross multiply
    13,368.04x = 18,448.26 × 7,704.16
  4. Step 4: Simplify right side
    13,368.04x = 142,128,375.52
  5. Step 5: Solve for x
    x = 142,128,375.52/13,368.04
  6. Step 6: Final answer
    x = 10,631.96

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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.