Home / 13,462.02-18,575.40-7,493.55

Finding the Fourth Proportional to 13,462.02, 18,575.40 and 7,493.55

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Solution

The fourth proportional to 13,462.02, 18,575.40 and 7,493.55 is: 10,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.02 : 18,575.40 = 7,493.55 : x
  2. Step 2: Convert to fraction form
    13,462.02/18,575.40 = 7,493.55/x
  3. Step 3: Cross multiply
    13,462.02x = 18,575.40 × 7,493.55
  4. Step 4: Simplify right side
    13,462.02x = 139,195,688.67
  5. Step 5: Solve for x
    x = 139,195,688.67/13,462.02
  6. Step 6: Final answer
    x = 10,339.88

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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.