Home / 28,535.58-42,796.17-13,740.66

Finding the Fourth Proportional to 28,535.58, 42,796.17 and 13,740.66

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Solution

The fourth proportional to 28,535.58, 42,796.17 and 13,740.66 is: 20,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.58 : 42,796.17 = 13,740.66 : x
  2. Step 2: Convert to fraction form
    28,535.58/42,796.17 = 13,740.66/x
  3. Step 3: Cross multiply
    28,535.58x = 42,796.17 × 13,740.66
  4. Step 4: Simplify right side
    28,535.58x = 588,047,621.27
  5. Step 5: Solve for x
    x = 588,047,621.27/28,535.58
  6. Step 6: Final answer
    x = 20,607.52

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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.