Home / 42,003.53-63,014.64-15,349.47

Finding the Fourth Proportional to 42,003.53, 63,014.64 and 15,349.47

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Solution

The fourth proportional to 42,003.53, 63,014.64 and 15,349.47 is: 23,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.53 : 63,014.64 = 15,349.47 : x
  2. Step 2: Convert to fraction form
    42,003.53/63,014.64 = 15,349.47/x
  3. Step 3: Cross multiply
    42,003.53x = 63,014.64 × 15,349.47
  4. Step 4: Simplify right side
    42,003.53x = 967,241,326.24
  5. Step 5: Solve for x
    x = 967,241,326.24/42,003.53
  6. Step 6: Final answer
    x = 23,027.62

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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.