Home / 42,396.40-63,626.20-16,152.40

Finding the Fourth Proportional to 42,396.40, 63,626.20 and 16,152.40

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Solution

The fourth proportional to 42,396.40, 63,626.20 and 16,152.40 is: 24,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,396.40 : 63,626.20 = 16,152.40 : x
  2. Step 2: Convert to fraction form
    42,396.40/63,626.20 = 16,152.40/x
  3. Step 3: Cross multiply
    42,396.40x = 63,626.20 × 16,152.40
  4. Step 4: Simplify right side
    42,396.40x = 1,027,715,832.88
  5. Step 5: Solve for x
    x = 1,027,715,832.88/42,396.40
  6. Step 6: Final answer
    x = 24,240.64

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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.