Home / 13,742.68-20,598.06-6,331.58

Finding the Fourth Proportional to 13,742.68, 20,598.06 and 6,331.58

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Solution

The fourth proportional to 13,742.68, 20,598.06 and 6,331.58 is: 9,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.68 : 20,598.06 = 6,331.58 : x
  2. Step 2: Convert to fraction form
    13,742.68/20,598.06 = 6,331.58/x
  3. Step 3: Cross multiply
    13,742.68x = 20,598.06 × 6,331.58
  4. Step 4: Simplify right side
    13,742.68x = 130,418,264.73
  5. Step 5: Solve for x
    x = 130,418,264.73/13,742.68
  6. Step 6: Final answer
    x = 9,490.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.