Home / 42,235.96-63,343.96-14,157.04

Finding the Fourth Proportional to 42,235.96, 63,343.96 and 14,157.04

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Solution

The fourth proportional to 42,235.96, 63,343.96 and 14,157.04 is: 21,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,235.96 : 63,343.96 = 14,157.04 : x
  2. Step 2: Convert to fraction form
    42,235.96/63,343.96 = 14,157.04/x
  3. Step 3: Cross multiply
    42,235.96x = 63,343.96 × 14,157.04
  4. Step 4: Simplify right side
    42,235.96x = 896,762,975.48
  5. Step 5: Solve for x
    x = 896,762,975.48/42,235.96
  6. Step 6: Final answer
    x = 21,232.21

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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.