Home / 13,236.16-18,284.88-10,580.08

Finding the Fourth Proportional to 13,236.16, 18,284.88 and 10,580.08

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Solution

The fourth proportional to 13,236.16, 18,284.88 and 10,580.08 is: 14,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.16 : 18,284.88 = 10,580.08 : x
  2. Step 2: Convert to fraction form
    13,236.16/18,284.88 = 10,580.08/x
  3. Step 3: Cross multiply
    13,236.16x = 18,284.88 × 10,580.08
  4. Step 4: Simplify right side
    13,236.16x = 193,455,493.19
  5. Step 5: Solve for x
    x = 193,455,493.19/13,236.16
  6. Step 6: Final answer
    x = 14,615.68

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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.