Home / 13,302.36-18,357.38-7,334.24

Finding the Fourth Proportional to 13,302.36, 18,357.38 and 7,334.24

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Solution

The fourth proportional to 13,302.36, 18,357.38 and 7,334.24 is: 10,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.36 : 18,357.38 = 7,334.24 : x
  2. Step 2: Convert to fraction form
    13,302.36/18,357.38 = 7,334.24/x
  3. Step 3: Cross multiply
    13,302.36x = 18,357.38 × 7,334.24
  4. Step 4: Simplify right side
    13,302.36x = 134,637,430.69
  5. Step 5: Solve for x
    x = 134,637,430.69/13,302.36
  6. Step 6: Final answer
    x = 10,121.32

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Half scale
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Double scale
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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.