Home / 28,331.04-42,496.48-13,494.96

Finding the Fourth Proportional to 28,331.04, 42,496.48 and 13,494.96

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Solution

The fourth proportional to 28,331.04, 42,496.48 and 13,494.96 is: 20,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331.04 : 42,496.48 = 13,494.96 : x
  2. Step 2: Convert to fraction form
    28,331.04/42,496.48 = 13,494.96/x
  3. Step 3: Cross multiply
    28,331.04x = 42,496.48 × 13,494.96
  4. Step 4: Simplify right side
    28,331.04x = 573,488,297.74
  5. Step 5: Solve for x
    x = 573,488,297.74/28,331.04
  6. Step 6: Final answer
    x = 20,242.40

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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.