Home / 13,461.12-18,575.82-7,492.68

Finding the Fourth Proportional to 13,461.12, 18,575.82 and 7,492.68

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Solution

The fourth proportional to 13,461.12, 18,575.82 and 7,492.68 is: 10,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.12 : 18,575.82 = 7,492.68 : x
  2. Step 2: Convert to fraction form
    13,461.12/18,575.82 = 7,492.68/x
  3. Step 3: Cross multiply
    13,461.12x = 18,575.82 × 7,492.68
  4. Step 4: Simplify right side
    13,461.12x = 139,182,675.00
  5. Step 5: Solve for x
    x = 139,182,675.00/13,461.12
  6. Step 6: Final answer
    x = 10,339.61

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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.