Home / 13,742.77-20,598.22-6,331.66

Finding the Fourth Proportional to 13,742.77, 20,598.22 and 6,331.66

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Solution

The fourth proportional to 13,742.77, 20,598.22 and 6,331.66 is: 9,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.77 : 20,598.22 = 6,331.66 : x
  2. Step 2: Convert to fraction form
    13,742.77/20,598.22 = 6,331.66/x
  3. Step 3: Cross multiply
    13,742.77x = 20,598.22 × 6,331.66
  4. Step 4: Simplify right side
    13,742.77x = 130,420,925.65
  5. Step 5: Solve for x
    x = 130,420,925.65/13,742.77
  6. Step 6: Final answer
    x = 9,490.15

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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.