Home / 20,624.02-28,473.36-13,562.62

Finding the Fourth Proportional to 20,624.02, 28,473.36 and 13,562.62

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Solution

The fourth proportional to 20,624.02, 28,473.36 and 13,562.62 is: 18,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.02 : 28,473.36 = 13,562.62 : x
  2. Step 2: Convert to fraction form
    20,624.02/28,473.36 = 13,562.62/x
  3. Step 3: Cross multiply
    20,624.02x = 28,473.36 × 13,562.62
  4. Step 4: Simplify right side
    20,624.02x = 386,173,361.80
  5. Step 5: Solve for x
    x = 386,173,361.80/20,624.02
  6. Step 6: Final answer
    x = 18,724.45

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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.