Home / 13,461.33-18,576.35-7,492.64

Finding the Fourth Proportional to 13,461.33, 18,576.35 and 7,492.64

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Solution

The fourth proportional to 13,461.33, 18,576.35 and 7,492.64 is: 10,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.33 : 18,576.35 = 7,492.64 : x
  2. Step 2: Convert to fraction form
    13,461.33/18,576.35 = 7,492.64/x
  3. Step 3: Cross multiply
    13,461.33x = 18,576.35 × 7,492.64
  4. Step 4: Simplify right side
    13,461.33x = 139,185,903.06
  5. Step 5: Solve for x
    x = 139,185,903.06/13,461.33
  6. Step 6: Final answer
    x = 10,339.68

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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.